Linux Group Commands
Manage group accounts and group membership in the Linux operating system.
| Command |
Function |
Flags |
| groupadd | Creates a new group. | -g (Defines the group ID) -p (Defines the group password) -r (Makes the new group a system group) |
|
groupmod |
Modifies the existing group. | |
| groupdel | Modifies the system account files by deleting all entries that refer to the specified group. | |
| gpasswd | Changes a group password. | -r (Removes a group password) |
| newgrp | Used to change the current group IP during a login session. | |
| usermod | Modifies group membership for the user account. |
-g (Assigns a user to a primary group) -G (Assigns a user to a secondary group) -aG (Assigns a user to a secondary group by adding it to the list of secondary users) -G "" (Removes the user from all secondary group memberships) |
| groups | Displays the primary and secondary group membership for the specified user account. |