groups
groups
The groups command in Linux is used to list the groups that a user belongs to. It is a very useful command for understanding the permissions that a user has on a system.
The groups command takes the following arguments:
username: The username to list the groups for.options: Optional arguments that control the behavior ofgroups.
The following are some of the most common options for the groups command:
-a: Lists all of the groups that the user belongs to, including secondary groups.-g: Lists the primary group of the user.-h: Displays the output in human-readable format.
For example, the following command will list all of the groups that the current user belongs to:
groupsThe groups command is a very useful command for understanding the permissions that a user has on a system. It is a valuable tool for anyone who needs to manage users and groups.
Here are some additional things to keep in mind about groups:
The
groupscommand must be run as a user who has permission to view the groups that a user belongs to.The
groupscommand can be used to list the groups for any user on the system.The
groupscommand can be used to list the primary group of a user.
Here are some examples of how to use groups:
To list all of the groups that the current user belongs to:
groupsTo list the primary group of the current user:
groups -gTo list all of the groups that the user
johndoebelongs to:
groups johndoeTo list all of the groups that the user
johndoebelongs to, including secondary groups:
groups -a johndoeThe groups command is a powerful and versatile tool that can be used to list the groups that a user belongs to. It is a valuable tool for anyone who needs to manage users and groups.
help
Usage: 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).
--help display this help and exit
--version output version information and exitLast updated