pinky --version (return code: 0)
pinky (GNU coreutils) 8.25
Copyright (C) 2016 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.
Written by Joseph Arceneaux, David MacKenzie, and Kaveh Ghazi.
pinky --help (return code: 0)
Usage: pinky [OPTION]... [USER]...
-l produce long format output for the specified USERs
-b omit the user's home directory and shell in long format
-h omit the user's project file in long format
-p omit the user's plan file in long format
-s do short format output, this is the default
-f omit the line of column headings in short format
-w omit the user's full name in short format
-i omit the user's full name and remote host in short format
-q omit the user's full name, remote host and idle time
in short format
--help display this help and exit
--version output version information and exit
A lightweight 'finger' program; print user information.
The utmp file will be /var/run/utmp.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Full documentation at: <http://www.gnu.org/software/coreutils/pinky>
or available locally via: info '(coreutils) pinky invocation'