groups - print the groups a user is in
groups [OPTION]... [USERNAME]...
Print group memberships for each USERNAME or, if no USERNAME is specified, for
the current process (which may differ if the groups database has changed).
Written by David MacKenzie and James Youngman.
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
- display this help and exit
- output version information and exit
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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.
or available locally via: info '(coreutils) groups invocation'