diff --git a/bin/df/df.c b/bin/df/df.c
index be811a1494288d..73f6acd75dfbf4 100644
--- a/bin/df/df.c
+++ b/bin/df/df.c
@@ -125,7 +125,7 @@ main(int argc, char *argv[])
 				/* FALLTHROUGH */
 		case 'P':
 			/*
-			 * POSIX specifically discusses the the behavior of
+			 * POSIX specifically discusses the behavior of
 			 * both -k and -P. It states that the blocksize should
 			 * be set to 1024. Thus, if this occurs, simply break
 			 * rather than clobbering the old blocksize.
diff --git a/bin/sh/expand.c b/bin/sh/expand.c
index 9c088c94be852d..c343977eab7616 100644
--- a/bin/sh/expand.c
+++ b/bin/sh/expand.c
@@ -959,7 +959,7 @@ varvalue(char *name, int quoted, int subtype, int flag)
 
 
 /*
- * Record the the fact that we have to scan this region of the
+ * Record the fact that we have to scan this region of the
  * string for IFS characters.
  */
 
diff --git a/lib/libc/arm/gen/modf.c b/lib/libc/arm/gen/modf.c
index 347090cf1fe7f5..cb5aeac2ea464a 100644
--- a/lib/libc/arm/gen/modf.c
+++ b/lib/libc/arm/gen/modf.c
@@ -86,7 +86,7 @@ modf(val, iptr)
 	 * If you look at the math involved for a few seconds, it's
 	 * plain to see that the integral part is the input, with the
 	 * low (DBL_FRACBITS - (exponent - DBL_EXP_BIAS)) bits zeroed,
-	 * the the fractional part is the part with the rest of the
+	 * the fractional part is the part with the rest of the
 	 * bits zeroed.  Just zeroing the high bits to get the
 	 * fractional part would yield a fraction in need of
 	 * normalization.  Therefore, we take the easy way out, and
diff --git a/lib/libc/ia64/gen/modf.c b/lib/libc/ia64/gen/modf.c
index def3aadbad2611..13e61827b178fc 100644
--- a/lib/libc/ia64/gen/modf.c
+++ b/lib/libc/ia64/gen/modf.c
@@ -85,7 +85,7 @@ modf(val, iptr)
 	 * If you look at the math involved for a few seconds, it's
 	 * plain to see that the integral part is the input, with the
 	 * low (DBL_FRACBITS - (exponent - DBL_EXP_BIAS)) bits zeroed,
-	 * the the fractional part is the part with the rest of the
+	 * the fractional part is the part with the rest of the
 	 * bits zeroed.  Just zeroing the high bits to get the
 	 * fractional part would yield a fraction in need of
 	 * normalization.  Therefore, we take the easy way out, and
diff --git a/lib/libc/mips/gen/modf.c b/lib/libc/mips/gen/modf.c
index 347090cf1fe7f5..cb5aeac2ea464a 100644
--- a/lib/libc/mips/gen/modf.c
+++ b/lib/libc/mips/gen/modf.c
@@ -86,7 +86,7 @@ modf(val, iptr)
 	 * If you look at the math involved for a few seconds, it's
 	 * plain to see that the integral part is the input, with the
 	 * low (DBL_FRACBITS - (exponent - DBL_EXP_BIAS)) bits zeroed,
-	 * the the fractional part is the part with the rest of the
+	 * the fractional part is the part with the rest of the
 	 * bits zeroed.  Just zeroing the high bits to get the
 	 * fractional part would yield a fraction in need of
 	 * normalization.  Therefore, we take the easy way out, and
diff --git a/lib/libc/powerpc/gen/modf.c b/lib/libc/powerpc/gen/modf.c
index 37786dc1e19b84..612c5067b38e49 100644
--- a/lib/libc/powerpc/gen/modf.c
+++ b/lib/libc/powerpc/gen/modf.c
@@ -86,7 +86,7 @@ modf(val, iptr)
 	 * If you look at the math involved for a few seconds, it's
 	 * plain to see that the integral part is the input, with the
 	 * low (DBL_FRACBITS - (exponent - DBL_EXP_BIAS)) bits zeroed,
-	 * the the fractional part is the part with the rest of the
+	 * the fractional part is the part with the rest of the
 	 * bits zeroed.  Just zeroing the high bits to get the
 	 * fractional part would yield a fraction in need of
 	 * normalization.  Therefore, we take the easy way out, and
diff --git a/lib/libc/powerpc64/gen/modf.c b/lib/libc/powerpc64/gen/modf.c
index 37786dc1e19b84..612c5067b38e49 100644
--- a/lib/libc/powerpc64/gen/modf.c
+++ b/lib/libc/powerpc64/gen/modf.c
@@ -86,7 +86,7 @@ modf(val, iptr)
 	 * If you look at the math involved for a few seconds, it's
 	 * plain to see that the integral part is the input, with the
 	 * low (DBL_FRACBITS - (exponent - DBL_EXP_BIAS)) bits zeroed,
-	 * the the fractional part is the part with the rest of the
+	 * the fractional part is the part with the rest of the
 	 * bits zeroed.  Just zeroing the high bits to get the
 	 * fractional part would yield a fraction in need of
 	 * normalization.  Therefore, we take the easy way out, and
diff --git a/lib/libpkg/version.c b/lib/libpkg/version.c
index 1b7bb5bdbd9b96..123fd5d20e576a 100644
--- a/lib/libpkg/version.c
+++ b/lib/libpkg/version.c
@@ -76,7 +76,7 @@ split_version(const char *pkgname, const char **endname, unsigned long *epoch, u
     if (pkgname == NULL)
 	errx(2, "%s: Passed NULL pkgname.", __func__);
 
-    /* Look for the last '-' the the pkgname */
+    /* Look for the last '-' the pkgname */
     ch = strrchr(pkgname, '-');
     /* Cheat if we are just passed a version, not a valid package name */
     versionstr = ch ? ch + 1 : pkgname;
diff --git a/lib/libstand/environment.c b/lib/libstand/environment.c
index c30b7306eee9af..3505ccd98d4d9c 100644
--- a/lib/libstand/environment.c
+++ b/lib/libstand/environment.c
@@ -59,7 +59,7 @@ env_getenv(const char *name)
  * Some notes:
  *
  * If the EV_VOLATILE flag is set, a copy of the variable is made.
- * If EV_DYNAMIC is set, the the variable has been allocated with
+ * If EV_DYNAMIC is set, the variable has been allocated with
  * malloc and ownership transferred to the environment.
  * If (value) is NULL, the variable is set but has no value.
  */
diff --git a/lib/msun/src/s_cbrt.c b/lib/msun/src/s_cbrt.c
index 2c70980411b5ed..27ecd97ff342c2 100644
--- a/lib/msun/src/s_cbrt.c
+++ b/lib/msun/src/s_cbrt.c
@@ -94,7 +94,7 @@ cbrt(double x)
      * 2 23-bit ulps larger).  With rounding towards zero, the error bound
      * would be ~5/6 instead of ~4/6.  With a maximum error of 2 23-bit ulps
      * in the rounded t, the infinite-precision error in the Newton
-     * approximation barely affects third digit in the the final error
+     * approximation barely affects third digit in the final error
      * 0.667; the error in the rounded t can be up to about 3 23-bit ulps
      * before the final error is larger than 0.667 ulps.
      */
diff --git a/sys/amd64/amd64/trap.c b/sys/amd64/amd64/trap.c
index 5c755cde61cb71..c3f9fd9643317e 100644
--- a/sys/amd64/amd64/trap.c
+++ b/sys/amd64/amd64/trap.c
@@ -235,7 +235,7 @@ trap(struct trapframe *frame)
 	 * A trap can occur while DTrace executes a probe. Before
 	 * executing the probe, DTrace blocks re-scheduling and sets
 	 * a flag in it's per-cpu flags to indicate that it doesn't
-	 * want to fault. On returning from the the probe, the no-fault
+	 * want to fault. On returning from the probe, the no-fault
 	 * flag is cleared and finally re-scheduling is enabled.
 	 *
 	 * If the DTrace kernel module has registered a trap handler,
diff --git a/sys/arm/xscale/i80321/iq80321.c b/sys/arm/xscale/i80321/iq80321.c
index 7f9487946df45d..04ef8b9d6a74f2 100644
--- a/sys/arm/xscale/i80321/iq80321.c
+++ b/sys/arm/xscale/i80321/iq80321.c
@@ -139,7 +139,7 @@ iq80321_attach(device_t dev)
 		    device_get_name(dev));
 
 	/*
-	 * We have mapped the the PCI I/O windows in the early
+	 * We have mapped the PCI I/O windows in the early
 	 * bootstrap phase.
 	 */
 	sc->sc_iow_vaddr = IQ80321_IOW_VBASE;
diff --git a/sys/boot/ficl/words.c b/sys/boot/ficl/words.c
index ddeb1af61c2997..48e073df3ab97c 100644
--- a/sys/boot/ficl/words.c
+++ b/sys/boot/ficl/words.c
@@ -1293,7 +1293,7 @@ static void ifCoIm(FICL_VM *pVM)
 ** compiles an "else"...
 ** 1) Compile a branch and a patch address; the address gets patched
 **    by "endif" to point past the "else" code.
-** 2) Pop the the "if" patch address
+** 2) Pop the "if" patch address
 ** 3) Patch the "if" branch to point to the current compile address.
 ** 4) Push the "else" patch address. ("endif" patches this to jump past 
 **    the "else" code.
diff --git a/sys/cam/cam_xpt.c b/sys/cam/cam_xpt.c
index f603ed82c760e1..aa77a1825fb59c 100644
--- a/sys/cam/cam_xpt.c
+++ b/sys/cam/cam_xpt.c
@@ -317,7 +317,7 @@ xpt_schedule_dev_allocq(struct cam_eb *bus, struct cam_ed *dev)
 		CAMQ_GET_PRIO(&dev->drvq))) == 0)) {
 		/*
 		 * The priority of a device waiting for CCB resources
-		 * is that of the the highest priority peripheral driver
+		 * is that of the highest priority peripheral driver
 		 * enqueued.
 		 */
 		retval = xpt_schedule_dev(&bus->sim->devq->alloc_queue,
@@ -340,7 +340,7 @@ xpt_schedule_dev_sendq(struct cam_eb *bus, struct cam_ed *dev)
 	    (cam_ccbq_frozen_top(&dev->ccbq) == 0)) {
 		/*
 		 * The priority of a device waiting for controller
-		 * resources is that of the the highest priority CCB
+		 * resources is that of the highest priority CCB
 		 * enqueued.
 		 */
 		retval =
diff --git a/sys/cam/scsi/scsi_sa.c b/sys/cam/scsi/scsi_sa.c
index 13871b97d47c7c..331f9a2b05d8ad 100644
--- a/sys/cam/scsi/scsi_sa.c
+++ b/sys/cam/scsi/scsi_sa.c
@@ -2654,7 +2654,7 @@ sagetparams(struct cam_periph *periph, sa_params params_to_get,
 			struct scsi_dev_conf_page *cp = &ntcs->dconf;
 			/*
 			 * We don't really know whether this device supports
-			 * Data Compression if the the algorithm field is
+			 * Data Compression if the algorithm field is
 			 * zero. Just say we do.
 			 */
 			*comp_supported = TRUE;
diff --git a/sys/cddl/dev/dtrace/amd64/dtrace_subr.c b/sys/cddl/dev/dtrace/amd64/dtrace_subr.c
index f86f5353bb6b9b..52da1b7b72583c 100644
--- a/sys/cddl/dev/dtrace/amd64/dtrace_subr.c
+++ b/sys/cddl/dev/dtrace/amd64/dtrace_subr.c
@@ -487,7 +487,7 @@ dtrace_trap(struct trapframe *frame, u_int type)
 	 * A trap can occur while DTrace executes a probe. Before
 	 * executing the probe, DTrace blocks re-scheduling and sets
 	 * a flag in it's per-cpu flags to indicate that it doesn't
-	 * want to fault. On returning from the the probe, the no-fault
+	 * want to fault. On returning from the probe, the no-fault
 	 * flag is cleared and finally re-scheduling is enabled.
 	 *
 	 * Check if DTrace has enabled 'no-fault' mode:
diff --git a/sys/cddl/dev/dtrace/i386/dtrace_subr.c b/sys/cddl/dev/dtrace/i386/dtrace_subr.c
index be238081efecf8..c5ea277d9e537a 100644
--- a/sys/cddl/dev/dtrace/i386/dtrace_subr.c
+++ b/sys/cddl/dev/dtrace/i386/dtrace_subr.c
@@ -487,7 +487,7 @@ dtrace_trap(struct trapframe *frame, u_int type)
 	 * A trap can occur while DTrace executes a probe. Before
 	 * executing the probe, DTrace blocks re-scheduling and sets
 	 * a flag in it's per-cpu flags to indicate that it doesn't
-	 * want to fault. On returning from the the probe, the no-fault
+	 * want to fault. On returning from the probe, the no-fault
 	 * flag is cleared and finally re-scheduling is enabled.
 	 *
 	 * Check if DTrace has enabled 'no-fault' mode:
diff --git a/sys/compat/ndis/subr_ntoskrnl.c b/sys/compat/ndis/subr_ntoskrnl.c
index 6c449b1df03079..b57145c2b2315f 100644
--- a/sys/compat/ndis/subr_ntoskrnl.c
+++ b/sys/compat/ndis/subr_ntoskrnl.c
@@ -3355,7 +3355,7 @@ KeSetEvent(nt_kevent *kevent, uint32_t increment, uint8_t kwait)
 		 * setting the state to signalled since we're supposed
 		 * to automatically clear synchronization events anyway).
 		 *
-		 * If it's a notification event, or the the first
+		 * If it's a notification event, or the first
 		 * waiter is doing a WAITTYPE_ALL wait, go through
 		 * the full wait satisfaction process.
 		 */
diff --git a/sys/dev/advansys/adwcam.c b/sys/dev/advansys/adwcam.c
index 7e3b4f4baeba85..fdee3fdb5ad240 100644
--- a/sys/dev/advansys/adwcam.c
+++ b/sys/dev/advansys/adwcam.c
@@ -1,5 +1,5 @@
 /*-
- * CAM SCSI interface for the the Advanced Systems Inc.
+ * CAM SCSI interface for the Advanced Systems Inc.
  * Second Generation SCSI controllers.
  *
  * Product specific probe and attach routines can be found in:
diff --git a/sys/dev/aic7xxx/aic79xx_osm.h b/sys/dev/aic7xxx/aic79xx_osm.h
index 692f3f9eed1225..db790dffd58d43 100644
--- a/sys/dev/aic7xxx/aic79xx_osm.h
+++ b/sys/dev/aic7xxx/aic79xx_osm.h
@@ -103,7 +103,7 @@
  * The number of dma segments supported.  The sequencer can handle any number
  * of physically contiguous S/G entrys.  To reduce the driver's memory
  * consumption, we limit the number supported to be sufficient to handle
- * the largest mapping supported by the the legacy kernel MAXPHYS setting of
+ * the largest mapping supported by the legacy kernel MAXPHYS setting of
  * 128K.  This can be increased once some testing is done.  Assuming the
  * transfer is as fragmented as possible and unaligned, this turns out to
  * be the number of paged sized transfers in MAXPHYS plus an extra element
diff --git a/sys/dev/aic7xxx/aic7xxx_osm.h b/sys/dev/aic7xxx/aic7xxx_osm.h
index 388cf9e84fb8a5..9a2939e9e9a21e 100644
--- a/sys/dev/aic7xxx/aic7xxx_osm.h
+++ b/sys/dev/aic7xxx/aic7xxx_osm.h
@@ -115,7 +115,7 @@ extern devclass_t ahc_devclass;
  * The number of dma segments supported.  The sequencer can handle any number
  * of physically contiguous S/G entrys.  To reduce the driver's memory
  * consumption, we limit the number supported to be sufficient to handle
- * the largest mapping supported by the the legacy kernel MAXPHYS setting of
+ * the largest mapping supported by the legacy kernel MAXPHYS setting of
  * 128K.  This can be increased once some testing is done.  Assuming the
  * be the number of paged sized transfers in MAXPHYS plus an extra element
  * to handle any unaligned residual.  The sequencer fetches SG elements
diff --git a/sys/dev/asr/i2omsg.h b/sys/dev/asr/i2omsg.h
index 833bd9173d3878..a938e38062280a 100644
--- a/sys/dev/asr/i2omsg.h
+++ b/sys/dev/asr/i2omsg.h
@@ -183,7 +183,7 @@ PRAGMA_PACK_PUSH
 #define	   I2O_VERSION_OFFSET_SGL_TRL_OFFSET_MASK      0xF0
 
 /*   Defines for the Message Flags Field. */
-/*   Please Note the the FAIL bit is only set in the Transport Fail Message. */
+/*   Please Note the FAIL bit is only set in the Transport Fail Message. */
 #define	   I2O_MESSAGE_FLAGS_STATIC		       0x01
 #define	   I2O_MESSAGE_FLAGS_64BIT_CONTEXT	       0x02
 #define	   I2O_MESSAGE_FLAGS_MULTIPLE		       0x10
diff --git a/sys/dev/bktr/bktr_card.c b/sys/dev/bktr/bktr_card.c
index 00526def16c458..e59ebbef06bf4c 100644
--- a/sys/dev/bktr/bktr_card.c
+++ b/sys/dev/bktr/bktr_card.c
@@ -570,7 +570,7 @@ static int locate_eeprom_address( bktr_ptr_t bktr) {
  *
  * However some makes of card (eg Hauppauge) come with a configuration eeprom
  * which tells us the make of the card. Most eeproms also tell us the
- * tuner type and other features of the the cards.
+ * tuner type and other features of the cards.
  *
  * The current probe code works as follows
  * A) If the card uses a Bt878/879:
diff --git a/sys/dev/ctau/ctau.c b/sys/dev/ctau/ctau.c
index 9b4f40475af3e7..6a6b65d061d9a0 100644
--- a/sys/dev/ctau/ctau.c
+++ b/sys/dev/ctau/ctau.c
@@ -1734,7 +1734,7 @@ ct_board_opt_t ct_board_opt_dflt = {
 	0,			/* board control register 2 */
 	{			/* DMA priority control register */
 		PCR_PRIO_ROTATE,
-		0,		/* all channels share the the bus hold */
+		0,		/* all channels share the bus hold */
 		0,		/* hold the bus until all transfers done */
 	},
 	CFG_A,			/* E1/G.703 config: two independent channels */
diff --git a/sys/dev/ctau/ctddk.h b/sys/dev/ctau/ctddk.h
index be0a092b1d5680..2d53deeab008d9 100644
--- a/sys/dev/ctau/ctddk.h
+++ b/sys/dev/ctau/ctddk.h
@@ -206,7 +206,7 @@ typedef struct {
 typedef struct {
 	unsigned prio : 3;	/* priority of channels */
 	unsigned noshare : 1;	/* 1 - chan holds the bus until end of data */
-				/* 0 - all channels share the the bus hold */
+				/* 0 - all channels share the bus hold */
 	unsigned release : 1;	/* 1 - release the bus between transfers */
 				/* 0 - hold the bus until all transfers done */
 } ct_pcr_t;
diff --git a/sys/dev/cxgb/cxgb_main.c b/sys/dev/cxgb/cxgb_main.c
index 2638006c2dd966..f094846b3fc653 100644
--- a/sys/dev/cxgb/cxgb_main.c
+++ b/sys/dev/cxgb/cxgb_main.c
@@ -1908,7 +1908,7 @@ cxgb_uninit_synchronized(struct port_info *pi)
 	/*
 	 * Clear this port's bit from the open device map, and then drain all
 	 * the tasks that can access/manipulate this port's port_info or ifp.
-	 * We disable this port's interrupts here and so the the slow/ext
+	 * We disable this port's interrupts here and so the slow/ext
 	 * interrupt tasks won't be enqueued.  The tick task will continue to
 	 * be enqueued every second but the runs after this drain will not see
 	 * this port in the open device map.
@@ -2858,7 +2858,7 @@ cxgb_extension_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data,
 		u64 buf[32];
 
 		/*
-		 * Use these to avoid modifying len/addr in the the return
+		 * Use these to avoid modifying len/addr in the return
 		 * struct
 		 */
 		uint32_t len = t->len, addr = t->addr;
diff --git a/sys/dev/drm/mach64_dma.c b/sys/dev/drm/mach64_dma.c
index 9aa0faa198189d..4ac09e85f0fe61 100644
--- a/sys/dev/drm/mach64_dma.c
+++ b/sys/dev/drm/mach64_dma.c
@@ -173,7 +173,7 @@ static int mach64_ring_idle(drm_mach64_private_t *dev_priv)
 }
 
 /**
- * Reset the the ring buffer descriptors.
+ * Reset the ring buffer descriptors.
  *
  * \sa mach64_do_engine_reset()
  */
diff --git a/sys/dev/drm/r300_reg.h b/sys/dev/drm/r300_reg.h
index 8a13c31af72f38..6df4611b436234 100644
--- a/sys/dev/drm/r300_reg.h
+++ b/sys/dev/drm/r300_reg.h
@@ -353,7 +353,7 @@ __FBSDID("$FreeBSD$");
 #       define R300_PVS_CNTL_1_PROGRAM_START_SHIFT   0
 #       define R300_PVS_CNTL_1_POS_END_SHIFT         10
 #       define R300_PVS_CNTL_1_PROGRAM_END_SHIFT     20
-/* Addresses are relative the the vertex program parameters area. */
+/* Addresses are relative the vertex program parameters area. */
 #define R300_VAP_PVS_CNTL_2                 0x22D4
 #       define R300_PVS_CNTL_2_PARAM_OFFSET_SHIFT 0
 #       define R300_PVS_CNTL_2_PARAM_COUNT_SHIFT  16
diff --git a/sys/dev/e1000/e1000_82575.c b/sys/dev/e1000/e1000_82575.c
index 03c70e0502dbce..db5609b7d2a340 100644
--- a/sys/dev/e1000/e1000_82575.c
+++ b/sys/dev/e1000/e1000_82575.c
@@ -1986,7 +1986,7 @@ static s32 e1000_write_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 data)
  *  e1000_reset_mdicnfg_82580 - Reset MDICNFG destination and com_mdio bits
  *  @hw: pointer to the HW structure
  *
- *  This resets the the MDICNFG.Destination and MDICNFG.Com_MDIO bits based on
+ *  This resets the MDICNFG.Destination and MDICNFG.Com_MDIO bits based on
  *  the values found in the EEPROM.  This addresses an issue in which these
  *  bits are not restored from EEPROM after reset.
  **/
diff --git a/sys/dev/e1000/e1000_ich8lan.c b/sys/dev/e1000/e1000_ich8lan.c
index b2882ee12503a3..821890888a9f63 100644
--- a/sys/dev/e1000/e1000_ich8lan.c
+++ b/sys/dev/e1000/e1000_ich8lan.c
@@ -3218,7 +3218,7 @@ static s32 e1000_id_led_init_pchlan(struct e1000_hw *hw)
  *  @hw: pointer to the HW structure
  *
  *  ICH8 use the PCI Express bus, but does not contain a PCI Express Capability
- *  register, so the the bus width is hard coded.
+ *  register, so the bus width is hard coded.
  **/
 static s32 e1000_get_bus_info_ich8lan(struct e1000_hw *hw)
 {
diff --git a/sys/dev/ep/if_epreg.h b/sys/dev/ep/if_epreg.h
index f3c269f556196c..9453891488dfd0 100644
--- a/sys/dev/ep/if_epreg.h
+++ b/sys/dev/ep/if_epreg.h
@@ -113,7 +113,7 @@
 /**************************************************************************
  *									  *
  * These are the registers for the 3Com 3c509 and their bit patterns when *
- * applicable.  They have been taken out the the "EtherLink III Parallel  *
+ * applicable.  They have been taken out the "EtherLink III Parallel  *
  * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual *
  * from 3com.								  *
  *									  *
diff --git a/sys/dev/fdc/fdc.c b/sys/dev/fdc/fdc.c
index ed621b22f5fd9a..01998ec7826a8f 100644
--- a/sys/dev/fdc/fdc.c
+++ b/sys/dev/fdc/fdc.c
@@ -1261,7 +1261,7 @@ fdmisccmd(struct fd_data *fd, u_int cmd, void *data)
 
 	/*
 	 * Set up a bio request for fdstrategy().  bio_offset is faked
-	 * so that fdstrategy() will seek to the the requested
+	 * so that fdstrategy() will seek to the requested
 	 * cylinder, and use the desired head.
 	 */
 	bp->bio_cmd = cmd;
diff --git a/sys/dev/ixgb/ixgb_ee.c b/sys/dev/ixgb/ixgb_ee.c
index 861a99a1399728..4ce650e1dad8d0 100644
--- a/sys/dev/ixgb/ixgb_ee.c
+++ b/sys/dev/ixgb/ixgb_ee.c
@@ -325,7 +325,7 @@ ixgb_wait_eeprom_command(struct ixgb_hw *hw)
  * hw - Struct containing variables accessed by shared code
  *
  * Reads the first 64 16 bit words of the EEPROM and sums the values read.
- * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
+ * If the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
  * valid.
  *
  * Returns:
diff --git a/sys/dev/malo/if_malohal.h b/sys/dev/malo/if_malohal.h
index 80c27ace4326da..fb962cc8dd54b9 100644
--- a/sys/dev/malo/if_malohal.h
+++ b/sys/dev/malo/if_malohal.h
@@ -133,7 +133,7 @@ struct malo_hal_hwstats {
 /*
  * Set Antenna Configuration (legacy operation).
  *
- * The RX antenna can be selected using the the bitmask
+ * The RX antenna can be selected using the bitmask
  * ant (bit 0 = antenna 1, bit 1 = antenna 2, etc.)
  * (diversity?XXX)
  */
diff --git a/sys/dev/mwl/mwlhal.h b/sys/dev/mwl/mwlhal.h
index ab6b7d01764a86..25b8b07c48d9da 100644
--- a/sys/dev/mwl/mwlhal.h
+++ b/sys/dev/mwl/mwlhal.h
@@ -291,7 +291,7 @@ int	mwl_hal_setradio(struct mwl_hal *mh, int onoff, MWL_HAL_PREAMBLE preamble);
 /*
  * Set Antenna Configuration (legacy operation).
  *
- * The RX antenna can be selected using the the bitmask
+ * The RX antenna can be selected using the bitmask
  * ant (bit 0 = antenna 1, bit 1 = antenna 2, etc.)
  * (diversity?XXX)
  */
diff --git a/sys/dev/nxge/xgehal/xgehal-device.c b/sys/dev/nxge/xgehal/xgehal-device.c
index 882aaf7bcc4471..43f944a9d52700 100644
--- a/sys/dev/nxge/xgehal/xgehal-device.c
+++ b/sys/dev/nxge/xgehal/xgehal-device.c
@@ -4418,7 +4418,7 @@ xge_hal_device_status(xge_hal_device_t *hldev, u64 *hw_status)
 #ifndef XGE_HAL_HERC_EMULATION
 	/*
 	 * Andrew: in PCI 33 mode, the P_PLL is not used, and therefore,
-	 * the the P_PLL_LOCK bit in the adapter_status register will
+	 * the P_PLL_LOCK bit in the adapter_status register will
 	 * not be asserted.
 	 */
 	if (!(tmp64 & XGE_HAL_ADAPTER_STATUS_P_PLL_LOCK) &&
diff --git a/sys/dev/nxge/xgehal/xgehal-ring-fp.c b/sys/dev/nxge/xgehal/xgehal-ring-fp.c
index e25a2659f931f8..349d685a04bb5e 100644
--- a/sys/dev/nxge/xgehal/xgehal-ring-fp.c
+++ b/sys/dev/nxge/xgehal/xgehal-ring-fp.c
@@ -801,7 +801,7 @@ xge_hal_ring_dtr_free(xge_hal_channel_h channelh, xge_hal_dtr_h dtrh)
  * xge_hal_ring_is_next_dtr_completed - Check if the next dtr is completed
  * @channelh: Channel handle.
  *
- * Checks if the the _next_ completed descriptor is in host memory
+ * Checks if the _next_ completed descriptor is in host memory
  *
  * Returns: XGE_HAL_OK - success.
  * XGE_HAL_INF_NO_MORE_COMPLETED_DESCRIPTORS - No completed descriptors
diff --git a/sys/dev/random/randomdev_soft.c b/sys/dev/random/randomdev_soft.c
index cef64ab6f746b0..c720902c633e81 100644
--- a/sys/dev/random/randomdev_soft.c
+++ b/sys/dev/random/randomdev_soft.c
@@ -347,7 +347,7 @@ random_yarrow_write(void *buf, int count)
 
 	/*
 	 * Break the input up into HARVESTSIZE chunks. The writer has too
-	 * much control here, so "estimate" the the entropy as zero.
+	 * much control here, so "estimate" the entropy as zero.
 	 */
 	for (i = 0; i < count; i += HARVESTSIZE) {
 		chunk = HARVESTSIZE;
diff --git a/sys/dev/sound/pci/es137x.c b/sys/dev/sound/pci/es137x.c
index 5b9591abe3dd5a..f4e24af6dfc805 100644
--- a/sys/dev/sound/pci/es137x.c
+++ b/sys/dev/sound/pci/es137x.c
@@ -584,7 +584,7 @@ eschan1370_setspeed(kobj_t obj, void *data, uint32_t speed)
 		/*
 		 * DAC1 does not support continuous rate settings.
 		 * Pick the nearest and use it since FEEDER_RATE will
-		 * do the the proper conversion for us.
+		 * do the proper conversion for us.
 		 */
 		es->ctrl &= ~CTRL_WTSRSEL;
 		if (speed < 8268) {
diff --git a/sys/dev/sym/sym_fw1.h b/sys/dev/sym/sym_fw1.h
index 1a4d01064a1415..aa1c7a4145d782 100644
--- a/sys/dev/sym/sym_fw1.h
+++ b/sys/dev/sym/sym_fw1.h
@@ -262,7 +262,7 @@ static const struct SYM_FWA_SCR SYM_FWA_SCR = {
 	 *  The below GETJOB_BEGIN to GETJOB_END section of SCRIPTS 
 	 *  is a critical path. If it is partially executed, it then 
 	 *  may happen that the job address is not yet in the DSA 
-	 *  and the the next queue position points to the next JOB.
+	 *  and the next queue position points to the next JOB.
 	 */
 }/*-------------------------< GETJOB_BEGIN >---------------------*/,{
 	/*
diff --git a/sys/dev/sym/sym_fw2.h b/sys/dev/sym/sym_fw2.h
index d006c9c57468fa..978570343afd5f 100644
--- a/sys/dev/sym/sym_fw2.h
+++ b/sys/dev/sym/sym_fw2.h
@@ -252,7 +252,7 @@ static const struct SYM_FWA_SCR SYM_FWA_SCR = {
 	 *  The below GETJOB_BEGIN to GETJOB_END section of SCRIPTS 
 	 *  is a critical path. If it is partially executed, it then 
 	 *  may happen that the job address is not yet in the DSA 
-	 *  and the the next queue position points to the next JOB.
+	 *  and the next queue position points to the next JOB.
 	 */
 	SCR_LOAD_ABS (dsa, 4),
 		PADDR_B (startpos),
diff --git a/sys/dev/uart/uart_dev_ns8250.c b/sys/dev/uart/uart_dev_ns8250.c
index b93e254d519abb..3cdd5ad3c48ff6 100644
--- a/sys/dev/uart/uart_dev_ns8250.c
+++ b/sys/dev/uart/uart_dev_ns8250.c
@@ -693,7 +693,7 @@ ns8250_bus_probe(struct uart_softc *sc)
 	/*
 	 * We should have a sufficiently clean "pipe" to determine the
 	 * size of the FIFOs. We send as much characters as is reasonable
-	 * and wait for the the overflow bit in the LSR register to be
+	 * and wait for the overflow bit in the LSR register to be
 	 * asserted, counting the characters as we send them. Based on
 	 * that count we know the FIFO size.
 	 */
diff --git a/sys/dev/usb/usb_process.c b/sys/dev/usb/usb_process.c
index febc3a1533b81c..0509ec274ce2cb 100644
--- a/sys/dev/usb/usb_process.c
+++ b/sys/dev/usb/usb_process.c
@@ -462,7 +462,7 @@ usb_proc_drain(struct usb_process *up)
 /*------------------------------------------------------------------------*
  *	usb_proc_rewakeup
  *
- * This function is called to re-wakeup the the given USB
+ * This function is called to re-wakeup the given USB
  * process. This usually happens after that the USB system has been in
  * polling mode, like during a panic. This function must be called
  * having "up->up_mtx" locked.
diff --git a/sys/dev/vx/if_vxreg.h b/sys/dev/vx/if_vxreg.h
index b876782ca8cba0..08ac4088abac5b 100644
--- a/sys/dev/vx/if_vxreg.h
+++ b/sys/dev/vx/if_vxreg.h
@@ -112,7 +112,7 @@
 
 /**************************************************************************
  * These are the registers for the 3Com 3c509 and their bit patterns when *
- * applicable.  They have been taken out the the "EtherLink III Parallel  *
+ * applicable.  They have been taken out the "EtherLink III Parallel  *
  * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual *
  * from 3com.								  *
  **************************************************************************/
diff --git a/sys/dev/wpi/if_wpi.c b/sys/dev/wpi/if_wpi.c
index 64be4271053cb9..53ad7f3357acbd 100644
--- a/sys/dev/wpi/if_wpi.c
+++ b/sys/dev/wpi/if_wpi.c
@@ -29,7 +29,7 @@ __FBSDID("$FreeBSD$");
  * state and told to load boot firmware. The boot firmware loads an init and a
  * main  binary firmware image into SRAM on the card via DMA.
  * Once the firmware is loaded, the driver/hw then
- * communicate by way of circular dma rings via the the SRAM to the firmware.
+ * communicate by way of circular dma rings via the SRAM to the firmware.
  *
  * There is 6 memory rings. 1 command ring, 1 rx data ring & 4 tx data rings.
  * The 4 tx data rings allow for prioritization QoS.
diff --git a/sys/fs/fdescfs/fdesc_vnops.c b/sys/fs/fdescfs/fdesc_vnops.c
index 43cf65efb1a1c7..0248a30a25d732 100644
--- a/sys/fs/fdescfs/fdesc_vnops.c
+++ b/sys/fs/fdescfs/fdesc_vnops.c
@@ -368,7 +368,7 @@ fdesc_open(ap)
 		return (0);
 
 	/*
-	 * XXX Kludge: set td->td_proc->p_dupfd to contain the value of the the file
+	 * XXX Kludge: set td->td_proc->p_dupfd to contain the value of the file
 	 * descriptor being sought for duplication. The error return ensures
 	 * that the vnode for this device will be released by vn_open. Open
 	 * will detect this special error and take the actions in dupfdopen.
diff --git a/sys/fs/msdosfs/msdosfs_vnops.c b/sys/fs/msdosfs/msdosfs_vnops.c
index 300b71c053697d..600aa0fb097f64 100644
--- a/sys/fs/msdosfs/msdosfs_vnops.c
+++ b/sys/fs/msdosfs/msdosfs_vnops.c
@@ -1530,7 +1530,7 @@ msdosfs_readdir(ap)
 
 	/*
 	 * msdosfs_readdir() won't operate properly on regular files since
-	 * it does i/o only with the the filesystem vnode, and hence can
+	 * it does i/o only with the filesystem vnode, and hence can
 	 * retrieve the wrong block from the buffer cache for a plain file.
 	 * So, fail attempts to readdir() on a plain file.
 	 */
diff --git a/sys/geom/geom_vfs.c b/sys/geom/geom_vfs.c
index e50e17b0e64d2b..9eaf6b139694f2 100644
--- a/sys/geom/geom_vfs.c
+++ b/sys/geom/geom_vfs.c
@@ -109,7 +109,7 @@ g_vfs_strategy(struct bufobj *bo, struct buf *bp)
 	/* G_VALID_CONSUMER(cp); We likely lack topology lock */
 
 	/*
-	 * If the the provider has orphaned us, just return EXIO.
+	 * If the provider has orphaned us, just return EXIO.
 	 */
 	if (cp->provider == NULL) {
 		bp->b_error = ENXIO;
diff --git a/sys/geom/part/g_part_ebr.c b/sys/geom/part/g_part_ebr.c
index 0976017807fa89..7bf0c55a07e2ca 100644
--- a/sys/geom/part/g_part_ebr.c
+++ b/sys/geom/part/g_part_ebr.c
@@ -591,7 +591,7 @@ g_part_ebr_write(struct g_part_table *basetable, struct g_consumer *cp)
 	while (baseentry != NULL && baseentry->gpe_deleted)
 		baseentry = LIST_NEXT(baseentry, gpe_entry);
 
-	/* Wipe-out the the first EBR when there are no slices. */
+	/* Wipe-out the first EBR when there are no slices. */
 	if (baseentry == NULL) {
 		error = g_write_data(cp, 0, buf, pp->sectorsize);
 		goto out;
diff --git a/sys/geom/sched/gs_scheduler.h b/sys/geom/sched/gs_scheduler.h
index 31e47e62ce7d8d..9ebc1a9f726bac 100644
--- a/sys/geom/sched/gs_scheduler.h
+++ b/sys/geom/sched/gs_scheduler.h
@@ -144,7 +144,7 @@ struct g_sched_class {
 
 /*
  * Manipulate the classifier's data.  g_sched_get_class() gets a reference
- * to the the class corresponding to bp in gp, allocating and initializing
+ * to the class corresponding to bp in gp, allocating and initializing
  * it if necessary.  g_sched_put_class() releases the reference.
  * The returned value points to the private data for the class.
  */
diff --git a/sys/gnu/fs/xfs/xfs_dir_leaf.c b/sys/gnu/fs/xfs/xfs_dir_leaf.c
index 28f431c664cc87..f89cde1a665545 100644
--- a/sys/gnu/fs/xfs/xfs_dir_leaf.c
+++ b/sys/gnu/fs/xfs/xfs_dir_leaf.c
@@ -2153,7 +2153,7 @@ xfs_dir_leaf_getdents_int(
 }
 
 /*
- * Format a dirent64 structure and copy it out the the user's buffer.
+ * Format a dirent64 structure and copy it out the user's buffer.
  */
 int
 xfs_dir_put_dirent64_direct(xfs_dir_put_args_t *pa)
@@ -2185,7 +2185,7 @@ xfs_dir_put_dirent64_direct(xfs_dir_put_args_t *pa)
 }
 
 /*
- * Format a dirent64 structure and copy it out the the user's buffer.
+ * Format a dirent64 structure and copy it out the user's buffer.
  */
 int
 xfs_dir_put_dirent64_uio(xfs_dir_put_args_t *pa)
diff --git a/sys/gnu/fs/xfs/xfs_itable.c b/sys/gnu/fs/xfs/xfs_itable.c
index 37a65247faf747..b8f9f6f5f1cf13 100644
--- a/sys/gnu/fs/xfs/xfs_itable.c
+++ b/sys/gnu/fs/xfs/xfs_itable.c
@@ -777,7 +777,7 @@ xfs_inumbers(
 				xfs_buf_relse(agbp);
 				agbp = NULL;
 				/*
-				 * Move up the the last inode in the current
+				 * Move up the last inode in the current
 				 * chunk.  The lookup_ge will always get
 				 * us the first inode in the next chunk.
 				 */
diff --git a/sys/i386/i386/trap.c b/sys/i386/i386/trap.c
index 9fede685cba767..375267943edc38 100644
--- a/sys/i386/i386/trap.c
+++ b/sys/i386/i386/trap.c
@@ -255,7 +255,7 @@ trap(struct trapframe *frame)
 	 * A trap can occur while DTrace executes a probe. Before
 	 * executing the probe, DTrace blocks re-scheduling and sets
 	 * a flag in it's per-cpu flags to indicate that it doesn't
-	 * want to fault. On returning from the the probe, the no-fault
+	 * want to fault. On returning from the probe, the no-fault
 	 * flag is cleared and finally re-scheduling is enabled.
 	 *
 	 * If the DTrace kernel module has registered a trap handler,
diff --git a/sys/kern/subr_unit.c b/sys/kern/subr_unit.c
index 3f961a2e03b217..7f90a02ebf2a6b 100644
--- a/sys/kern/subr_unit.c
+++ b/sys/kern/subr_unit.c
@@ -41,7 +41,7 @@
  *
  * If a mutex is not provided when the unit number space is created, a
  * default global mutex is used.  The advantage to passing a mutex in, is
- * that the the alloc_unrl() function can be called with the mutex already
+ * that the alloc_unrl() function can be called with the mutex already
  * held (it will not be released by alloc_unrl()).
  *
  * The allocation function alloc_unr{l}() never sleeps (but it may block on
@@ -52,7 +52,7 @@
  *
  * A userland test program is included.
  *
- * Memory usage is a very complex function of the the exact allocation
+ * Memory usage is a very complex function of the exact allocation
  * pattern, but always very compact:
  *    * For the very typical case where a single unbroken run of unit
  *      numbers are allocated 44 bytes are used on i386.
diff --git a/sys/kern/subr_witness.c b/sys/kern/subr_witness.c
index e1c00fe1e16703..01de5ed9affd69 100644
--- a/sys/kern/subr_witness.c
+++ b/sys/kern/subr_witness.c
@@ -1175,7 +1175,7 @@ witness_checkorder(struct lock_object *lock, int flags, const char *file,
 	mtx_assert(&w_mtx, MA_OWNED);
 
 	/*
-	 * If we know that the the lock we are acquiring comes after
+	 * If we know that the lock we are acquiring comes after
 	 * the lock we most recently acquired in the lock order tree,
 	 * then there is no need for any further checks.
 	 */
diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c
index 4e9ff6e6c670e4..871132ccf61568 100644
--- a/sys/kern/uipc_mbuf.c
+++ b/sys/kern/uipc_mbuf.c
@@ -280,7 +280,7 @@ mb_free_ext(struct mbuf *m)
 }
 
 /*
- * Attach the the cluster from *m to *n, set up m_ext in *n
+ * Attach the cluster from *m to *n, set up m_ext in *n
  * and bump the refcount of the cluster.
  */
 static void
diff --git a/sys/mips/mips/pmap.c b/sys/mips/mips/pmap.c
index 3b858de89a1e60..f20e159efa1107 100644
--- a/sys/mips/mips/pmap.c
+++ b/sys/mips/mips/pmap.c
@@ -2018,7 +2018,7 @@ pmap_enter(pmap_t pmap, vm_offset_t va, vm_prot_t access, vm_page_t m,
 	pmap_update_page(pmap, va, newpte);
 
 	/*
-	 * Sync I & D caches for executable pages.  Do this only if the the
+	 * Sync I & D caches for executable pages.  Do this only if the
 	 * target pmap belongs to the current process.  Otherwise, an
 	 * unresolvable TLB miss may occur.
 	 */
@@ -2152,7 +2152,7 @@ pmap_enter_quick_locked(pmap_t pmap, vm_offset_t va, vm_page_t m,
 	else {
 		*pte |= PTE_RO;
 		/*
-		 * Sync I & D caches.  Do this only if the the target pmap
+		 * Sync I & D caches.  Do this only if the target pmap
 		 * belongs to the current process.  Otherwise, an
 		 * unresolvable TLB miss may occur. */
 		if (pmap == &curproc->p_vmspace->vm_pmap) {
diff --git a/sys/mips/rmi/fmn.c b/sys/mips/rmi/fmn.c
index f42dfeaef93a0d..f7686cba7610f0 100644
--- a/sys/mips/rmi/fmn.c
+++ b/sys/mips/rmi/fmn.c
@@ -99,7 +99,7 @@ static int	msgring_maxthreads = 3;
 TUNABLE_INT("hw.fmn.maxthreads", &msgring_maxthreads);
 
 /* 
- * The device drivers can register a handler for the the messages sent
+ * The device drivers can register a handler for the messages sent
  * from a station (corresponding to the device). 
  */
 struct tx_stn_handler {
@@ -148,7 +148,7 @@ xlr_msgring_cpu_init(void)
 	 * For sending FMN messages, we need credits on the destination
 	 * bucket.  Program the credits this core has on the 128 possible
 	 * destination buckets.
-	 * We cannot use a loop here, because the the first argument has
+	 * We cannot use a loop here, because the first argument has
 	 * to be a constant integer value.
 	 */
 	MSGRNG_CC_INIT_CPU_DEST(0,  cc_config->counters);
diff --git a/sys/mips/sibyte/sb_zbpci.c b/sys/mips/sibyte/sb_zbpci.c
index 243ed08e7d7b05..f4df353c73746d 100644
--- a/sys/mips/sibyte/sb_zbpci.c
+++ b/sys/mips/sibyte/sb_zbpci.c
@@ -110,7 +110,7 @@ zbpci_attach(device_t dev)
 		panic("%s: port_rman", __func__);
 
 	/*
-	 * Reserve the the physical memory that is used to read/write to the
+	 * Reserve the physical memory that is used to read/write to the
 	 * pci config space but don't activate it. We are using a page worth
 	 * of KVA as a window over this region.
 	 */
diff --git a/sys/net/if_media.c b/sys/net/if_media.c
index 392813665d357a..22bdc82af18f5f 100644
--- a/sys/net/if_media.c
+++ b/sys/net/if_media.c
@@ -235,7 +235,7 @@ ifmedia_ioctl(ifp, ifr, ifm, cmd)
 		/*
 		 * If no change, we're done.
 		 * XXX Automedia may invole software intervention.
-		 *     Keep going in case the the connected media changed.
+		 *     Keep going in case the connected media changed.
 		 *     Similarly, if best match changed (kernel debugger?).
 		 */
 		if ((IFM_SUBTYPE(newmedia) != IFM_AUTO) &&
diff --git a/sys/net/route.c b/sys/net/route.c
index 90885b053c1bbb..f38d6a60c35b29 100644
--- a/sys/net/route.c
+++ b/sys/net/route.c
@@ -539,7 +539,7 @@ rtredirect_fib(struct sockaddr *dst,
 		goto done;
 	/*
 	 * Create a new entry if we just got back a wildcard entry
-	 * or the the lookup failed.  This is necessary for hosts
+	 * or the lookup failed.  This is necessary for hosts
 	 * which use routing redirects generated by smart gateways
 	 * to dynamically build the routing tables.
 	 */
diff --git a/sys/netgraph/bluetooth/socket/ng_btsocket_rfcomm.c b/sys/netgraph/bluetooth/socket/ng_btsocket_rfcomm.c
index f07da3a5527eb3..e90cab2449f639 100644
--- a/sys/netgraph/bluetooth/socket/ng_btsocket_rfcomm.c
+++ b/sys/netgraph/bluetooth/socket/ng_btsocket_rfcomm.c
@@ -560,7 +560,7 @@ ng_btsocket_rfcomm_connect(struct socket *so, struct sockaddr *nam,
 		soclose(l2so); /* we don't need new L2CAP socket */
 
 	/*
-	 * Check if we already have the same DLCI the the same session
+	 * Check if we already have the same DLCI the same session
 	 */
 
 	mtx_lock(&s->session_mtx);
diff --git a/sys/netgraph/ng_source.c b/sys/netgraph/ng_source.c
index 5bacf797559038..e1828ac7a89828 100644
--- a/sys/netgraph/ng_source.c
+++ b/sys/netgraph/ng_source.c
@@ -604,7 +604,7 @@ ng_source_disconnect(hook_p hook)
 }
 
 /*
- * Set sc->output_ifp to point to the the struct ifnet of the interface
+ * Set sc->output_ifp to point to the struct ifnet of the interface
  * reached via our output hook.
  */
 static int
diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c
index 569047e26f9fe7..764046a35bb029 100644
--- a/sys/netinet/if_ether.c
+++ b/sys/netinet/if_ether.c
@@ -810,7 +810,7 @@ in_arpinput(struct mbuf *m)
 
 			/*
 			 * Also check that the node which sent the ARP packet
-			 * is on the the interface we expect it to be on. This
+			 * is on the interface we expect it to be on. This
 			 * avoids ARP chaos if an interface is connected to the
 			 * wrong network.
 			 */
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 6e1153d0b739e3..e3aae04855cd48 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -1031,7 +1031,7 @@ ip_reass(struct mbuf *m)
 	 * segment.  If it provides all of our data, drop us, otherwise
 	 * stick new segment in the proper place.
 	 *
-	 * If some of the data is dropped from the the preceding
+	 * If some of the data is dropped from the preceding
 	 * segment, then it's checksum is invalidated.
 	 */
 	if (p) {
diff --git a/sys/netinet/ipfw/ip_fw_private.h b/sys/netinet/ipfw/ip_fw_private.h
index ac55433750a1ee..13df9c93ee8cdc 100644
--- a/sys/netinet/ipfw/ip_fw_private.h
+++ b/sys/netinet/ipfw/ip_fw_private.h
@@ -90,7 +90,7 @@ struct ip_fw_args {
 	/*
 	 * On return, it points to the matching rule.
 	 * On entry, rule.slot > 0 means the info is valid and
-	 * contains the the starting rule for an ipfw search.
+	 * contains the starting rule for an ipfw search.
 	 * If chain_id == chain->id && slot >0 then jump to that slot.
 	 * Otherwise, we locate the first rule >= rulenum:rule_id
 	 */
diff --git a/sys/netinet/libalias/alias_sctp.c b/sys/netinet/libalias/alias_sctp.c
index 3bd5331d176475..bb0f9cc8476a60 100644
--- a/sys/netinet/libalias/alias_sctp.c
+++ b/sys/netinet/libalias/alias_sctp.c
@@ -1929,7 +1929,7 @@ UP_process(struct libalias *la, int direction, struct sctp_nat_assoc *assoc, str
  * @brief Process SCTP message while association is in the process of closing
  *
  * This function waits for a SHUT-COMP to close the association. Depending on
- * the the setting of sysctl_holddown_timer it may not remove the association
+ * the setting of sysctl_holddown_timer it may not remove the association
  * immediately, but leave it up until SN_X_T(la). Only SHUT-COMP, SHUT-ACK, and
  * ABORT packets are permitted in this state. All other packets are dropped.
  *
diff --git a/sys/netinet/tcp_offload.h b/sys/netinet/tcp_offload.h
index 48f35ff66a1480..313185f6ea6ec9 100644
--- a/sys/netinet/tcp_offload.h
+++ b/sys/netinet/tcp_offload.h
@@ -56,7 +56,7 @@
  *
  * It is assumed that individuals deploying TOE will want connections
  * to be offloaded without software changes so all connections on an
- * interface providing TOE are offloaded unless the the SO_NO_OFFLOAD 
+ * interface providing TOE are offloaded unless the SO_NO_OFFLOAD 
  * flag is set on the socket.
  *
  *
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c
index ca52cc752f7314..909381abbb4935 100644
--- a/sys/netinet/tcp_subr.c
+++ b/sys/netinet/tcp_subr.c
@@ -1383,7 +1383,7 @@ tcp_ctlinput(int cmd, struct sockaddr *sa, void *vip)
 						mtu = V_tcp_minmss
 						 + sizeof(struct tcpiphdr);
 					    /*
-					     * Only cache the the MTU if it
+					     * Only cache the MTU if it
 					     * is smaller than the interface
 					     * or route MTU.  tcp_mtudisc()
 					     * will do right thing by itself.
diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c
index 39de21c549215b..ede370262ea256 100644
--- a/sys/netinet/tcp_syncache.c
+++ b/sys/netinet/tcp_syncache.c
@@ -524,7 +524,7 @@ syncache_chkrst(struct in_conninfo *inc, struct tcphdr *th)
 	 * used, or we are under memory pressure, a valid RST
 	 * may not find a syncache entry.  In that case we're
 	 * done and no SYN|ACK retransmissions will happen.
-	 * Otherwise the the RST was misdirected or spoofed.
+	 * Otherwise the RST was misdirected or spoofed.
 	 */
 	if (sc == NULL) {
 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
diff --git a/sys/netinet/tcp_timewait.c b/sys/netinet/tcp_timewait.c
index 42df4fe946348b..aab950dab408a1 100644
--- a/sys/netinet/tcp_timewait.c
+++ b/sys/netinet/tcp_timewait.c
@@ -397,7 +397,7 @@ tcp_twcheck(struct inpcb *inp, struct tcpopt *to, struct tcphdr *th,
 	}
 
 	/*
-	 * Drop the the segment if it does not contain an ACK.
+	 * Drop the segment if it does not contain an ACK.
 	 */
 	if ((thflags & TH_ACK) == 0)
 		goto drop;
diff --git a/sys/netinet6/in6.h b/sys/netinet6/in6.h
index eadfc090b5f9cd..7abbfa400a1697 100644
--- a/sys/netinet6/in6.h
+++ b/sys/netinet6/in6.h
@@ -78,7 +78,7 @@
 
 /*
  * IPv6 port allocation rules should mirror the IPv4 rules and are controlled
- * by the the net.inet.ip.portrange sysctl tree. The following defines exist
+ * by the net.inet.ip.portrange sysctl tree. The following defines exist
  * for compatibility with userland applications that need them.
  */
 #if __BSD_VISIBLE
diff --git a/sys/pc98/cbus/fdc.c b/sys/pc98/cbus/fdc.c
index 8373f45163c50d..fd65d7247e4609 100644
--- a/sys/pc98/cbus/fdc.c
+++ b/sys/pc98/cbus/fdc.c
@@ -2378,7 +2378,7 @@ fdmisccmd(struct cdev *dev, u_int cmd, void *data)
 
 	/*
 	 * Set up a bio request for fdstrategy().  bio_offset is faked
-	 * so that fdstrategy() will seek to the the requested
+	 * so that fdstrategy() will seek to the requested
 	 * cylinder, and use the desired head.
 	 */
 	bp->bio_cmd = cmd;
diff --git a/sys/sparc64/include/iommureg.h b/sys/sparc64/include/iommureg.h
index f4d0349903ea5f..10a107d331f913 100644
--- a/sys/sparc64/include/iommureg.h
+++ b/sys/sparc64/include/iommureg.h
@@ -194,7 +194,7 @@
  * Unfortunately, sabres on UltraSPARC IIi and IIe processors does not use
  * this scheme to determine the IOVA base address.  Instead, bits 31-29 are
  * used to check against the Target Address Space register in the IIi and
- * the the IOMMU is used if they hit.  God knows what goes on in the IIe.
+ * the IOMMU is used if they hit.  God knows what goes on in the IIe.
  *
  */
 
diff --git a/sys/sparc64/pci/sbbc.c b/sys/sparc64/pci/sbbc.c
index 0aa1df3850c681..be95f0532114a2 100644
--- a/sys/sparc64/pci/sbbc.c
+++ b/sys/sparc64/pci/sbbc.c
@@ -335,7 +335,7 @@ sbbc_pci_attach(device_t dev)
 	rid = SBBC_PCI_BAR;
 	/*
 	 * Note that we don't activate the resource so it's not mapped twice
-	 * but only once by the the firmware.
+	 * but only once by the firmware.
 	 */
 	sc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, 0);
 	if (sc->sc_res == NULL) {
diff --git a/sys/sparc64/sparc64/trap.c b/sys/sparc64/sparc64/trap.c
index b9e5d94a534223..38239b87715619 100644
--- a/sys/sparc64/sparc64/trap.c
+++ b/sys/sparc64/sparc64/trap.c
@@ -433,7 +433,7 @@ trap_cecc(void)
 	cache_flush();
 	/* Ensure the caches are still turned on (should be). */
 	cache_enable(PCPU_GET(impl));
-	/* Clear the the error from the AFSR. */
+	/* Clear the error from the AFSR. */
 	stxa_sync(0, ASI_AFSR, ldxa(0, ASI_AFSR));
 	corrected_ecc++;
 	printf("corrected ECC error\n");
diff --git a/sys/sys/aac_ioctl.h b/sys/sys/aac_ioctl.h
index 69af10e73a710c..1c04a7c5841674 100644
--- a/sys/sys/aac_ioctl.h
+++ b/sys/sys/aac_ioctl.h
@@ -117,7 +117,7 @@ union aac_statrequest {
 /* Do the native version of the ioctls.  Since the BSD encoding scheme
  * conflicts with the 'standard' AAC encoding scheme, the resulting numbers
  * will be different.  The '8' comes from the fact that the previous scheme
- * used 12 bits for the number, with the the 12th bit being the only set
+ * used 12 bits for the number, with the 12th bit being the only set
  * bit above bit 8.  Thus the value of 8, with the lower 8 bits holding the
  * command number.  9 is used for the odd overflow case.
  */
diff --git a/usr.bin/lex/misc.c b/usr.bin/lex/misc.c
index 6048f5de9de005..b78c8dfa8a3a27 100644
--- a/usr.bin/lex/misc.c
+++ b/usr.bin/lex/misc.c
@@ -707,7 +707,7 @@ const char str[];
 	}
 
 
-/* readable_form - return the the human-readable form of a character
+/* readable_form - return the human-readable form of a character
  *
  * The returned string is in static storage.
  */
diff --git a/usr.bin/m4/gnum4.c b/usr.bin/m4/gnum4.c
index f4cfa77860174f..edfe296ec0583f 100644
--- a/usr.bin/m4/gnum4.c
+++ b/usr.bin/m4/gnum4.c
@@ -54,7 +54,7 @@ int mimic_gnu = 0;
 
 /*
  * Support for include path search
- * First search in the the current directory.
+ * First search in the current directory.
  * If not found, and the path is not absolute, include path kicks in.
  * First, -I options, in the order found on the command line.
  * Then M4PATH env variable
diff --git a/usr.bin/make/lst.c b/usr.bin/make/lst.c
index be30621ad3a8cb..d57c34b32a10b9 100644
--- a/usr.bin/make/lst.c
+++ b/usr.bin/make/lst.c
@@ -98,7 +98,7 @@ Lst_Append(Lst *list, LstNode *ln, void *d)
  *		LST_CONCLINK if should just be relinked
  *
  * Side Effects:
- *	New elements are created and appended the the first list.
+ *	New elements are created and appended the first list.
  */
 void
 Lst_Concat(Lst *list1, Lst *list2, int flags)
diff --git a/usr.bin/rpcinfo/rpcinfo.c b/usr.bin/rpcinfo/rpcinfo.c
index a2e662961adac1..549bef5e109dbe 100644
--- a/usr.bin/rpcinfo/rpcinfo.c
+++ b/usr.bin/rpcinfo/rpcinfo.c
@@ -46,7 +46,7 @@ __FBSDID("$FreeBSD$");
 
 /*
  * rpcinfo: ping a particular rpc program
- * 	or dump the the registered programs on the remote machine.
+ * 	or dump the registered programs on the remote machine.
  */
 
 /*
diff --git a/usr.bin/xinstall/xinstall.c b/usr.bin/xinstall/xinstall.c
index 58c48001a3460d..a64fc4d00c8c35 100644
--- a/usr.bin/xinstall/xinstall.c
+++ b/usr.bin/xinstall/xinstall.c
@@ -492,7 +492,7 @@ install(const char *from_name, const char *to_name, u_long fset, u_int flags)
 	 * flags, except for the dump flag.
 	 * NFS does not support flags.  Ignore EOPNOTSUPP flags if we're just
 	 * trying to turn off UF_NODUMP.  If we're trying to set real flags,
-	 * then warn if the the fs doesn't support it, otherwise fail.
+	 * then warn if the fs doesn't support it, otherwise fail.
 	 */
 	if (!devnull && (flags & SETFLAGS ||
 	    (from_sb.st_flags & ~UF_NODUMP) != to_sb.st_flags) &&
diff --git a/usr.sbin/moused/moused.c b/usr.sbin/moused/moused.c
index 47b2541e903587..f5989103966660 100644
--- a/usr.sbin/moused/moused.c
+++ b/usr.sbin/moused/moused.c
@@ -931,7 +931,7 @@ main(int argc, char *argv[])
 		/*
 		 * We cannot continue because of error.  Exit if the
 		 * program has not become a daemon.  Otherwise, block
-		 * until the the user corrects the problem and issues SIGHUP.
+		 * until the user corrects the problem and issues SIGHUP.
 		 */
 		if (!background)
 		    exit(1);
diff --git a/usr.sbin/rpcbind/util.c b/usr.sbin/rpcbind/util.c
index 7a300d2c6423bd..6c41253d2ecece 100644
--- a/usr.sbin/rpcbind/util.c
+++ b/usr.sbin/rpcbind/util.c
@@ -237,7 +237,7 @@ addrmerge(struct netbuf *caller, char *serv_uaddr, char *clnt_uaddr,
 
 found:
 	/*
-	 * Construct the new address using the the address from
+	 * Construct the new address using the address from
 	 * `bestif', and the port number from `serv_uaddr'.
 	 */
 	serv_nbp = uaddr2taddr(nconf, serv_uaddr);
diff --git a/usr.sbin/sysinstall/install.c b/usr.sbin/sysinstall/install.c
index df48caa3c6e554..d265522c16e9e7 100644
--- a/usr.sbin/sysinstall/install.c
+++ b/usr.sbin/sysinstall/install.c
@@ -953,7 +953,7 @@ installFixupBase(dialogMenuItem *self)
         vsystem("mtree -deU -f /etc/mtree/BSD.usr.dist -p /usr");
 
 #ifdef __ia64__
-	/* Move /boot to the the EFI partition and make /boot a link to it. */
+	/* Move /boot to the EFI partition and make /boot a link to it. */
 	efi_mntpt = (EfiChunk != NULL) ? ((PartInfo *)EfiChunk->private_data)->mountpoint : NULL;
 	if (efi_mntpt != NULL) {
 		vsystem("if [ ! -L /boot ]; then mv /boot %s; fi", efi_mntpt);