php man page for true

TRUE(1) 							   User Commands							   TRUE(1)

NAME
       true - do nothing, successfully

SYNOPSIS
       true [ignored command line arguments]
       true OPTION

DESCRIPTION
       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 docu-
       mentation for details about the options it supports.

AUTHOR
       Written by Jim Meyering.

REPORTING BUGS
       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report true translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       Full documentation at: <http://www.gnu.org/software/coreutils/true>
       or available locally via: info '(coreutils) true invocation'

GNU coreutils 8.28						   January 2018 							   TRUE(1)