Modify a file's timestamp. Make it look like you modified a file in the past or the future.
$ ./tmod -h
Usage of ./tmod:
-file="": file to modify date
-offset=-300: number of seconds to offset$ touch demo
$ ls -la
total 3064
drwxr-xr-x 5 c0nrad staff 170 Jul 17 22:15 .
drwxr-xr-x 8 c0nrad staff 272 Jul 17 22:15 ..
-rw-r--r-- 1 c0nrad staff 0 Jul 17 22:15 demo
-rwxr-xr-x 1 c0nrad staff 1562860 Jul 17 22:15 tmod
$ ./tmod -h
Usage of ./tmod:
-file="": file to modify date
-offset=-300: number of seconds to offset
$ ./tmod --file "demo" --offset "-300"
$ ls -la
drwxr-xr-x 5 c0nrad staff 170 Jul 17 22:15 .
drwxr-xr-x 8 c0nrad staff 272 Jul 17 22:15 ..
-rw-r--r-- 1 c0nrad staff 0 Jul 17 22:10 demo
-rwxr-xr-x 1 c0nrad staff 1562860 Jul 17 22:15 tmod