users - print the user names of users currently logged in to the current host
Output who is currently logged in according to FILE. If FILE is not
/var/log/wtmp as FILE is
display this help and exit
output version information and exit
Written by Joseph Arceneaux and David MacKenzie.
Copyright © 2020 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://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.
Full documentation <https://www.gnu.org/software/coreutils/users>
or available locally via: info '(coreutils) users invocation'