~$ /bin/true --help
Usage: /bin/true [ignored command line arguments]
or: /bin/true OPTION
Exit with a status code indicating success.
--help display this help and exit
--version output version information and exit
NOTE: your shell may have its own version of true, which usually supersedes
the version described here. Please refer to your shell's documentation
for details about the options it supports.
or available locally via: info '(coreutils) true invocation'
~$ /bin/true --version
true (GNU coreutils) 8.23
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Jim Meyering.