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.TH PXZ 1 "Jun 2010" pxz "Parallel XZ"
.SH NAME
pxz \- Parallel LZMA compressor compatible with XZ.
.SH SYNOPSIS
\fBpxz\fR [\fBoptions\fR]... [\fIfile\fR]...
.SH DESCRIPTION
.B pxz
is a compression utility that takes advantage of running
XZ compression simultaneously on different parts of an input file on
multiple cores and processors. This significantly speeds up compression time.
.SH OPTIONS
.TP
.I "\-v"
Be verbose.
.TP
.I "\-h," "\-\-help"
Display help.
.TP
.I "\-f," "\-\-force"
Force operation.
.TP
.I "\-c," "\-\-stdout"
Write results to standard output and don't delete input files.
.TP
.I "\-k," "\-\-keep"
Keep (don't delete) input files.
.TP
.I "\-T," "\-\-threads"
Maximal number of threads to run simultaneously.
.TP
.I "\-D," "\-\-context\-size"
Context size per one thread specified as a multiple of dictionary size for active compression level.
.TP
.I "\-V," "\-\-version"
Display version of PXZ.
.SH EXAMPLES
.TP
pxz file1 file2
Compress file1 and file2 to file1.xz and file2.xz using default settings.
.TP
pxz -T4 file1
Compress file1 with default compression and maximum of 4 threads.
.TP
pxz -k -9 file1
Use maximal compression and keep the original file1, use default number of threads.
.TP
pxz -f -T4 file1
Compress file with default compression and with 4 threads.
.TP
pxz -kvf -3 -T8 file1
Use -3 compression, keep the original file, use 8 threads and show progress.
.TP
tar Oc dir1 | pxz -D 12 -cv - > dir1.tar.xz
Move dir1 into tar, then compress it with the context of 12 sizes of dictionary
per thread, show progress and write result to dir1.tar.xz.
.SH "SEE ALSO"
.BR xz (1)
.SH AUTHOR
Jindrich Novy <jnovy@users.sourceforge.net>
.SH BUGS
Report bugs via http://bugzilla.redhat.com/bugzilla/
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