What is Groupmod in Linux? groupmod command in Linux is used to modify or change the existing group on Linux system. It can be handled by superuser or root user. Basically, it modifies a group definition on the system by modifying the right entry in the database of the group. Syntax: groupmod [option] GROUP.
How do I change group GID in Linux? First, assign a new UID to user using the usermod command. Second, assign a new GID to group using the groupmod command. Finally, use the chown and chgrp commands to change old UID and GID respectively. You can automate this with the help of find command.
How do I list groups in Linux? Use the most commonly used “cat” command to get the list of the groups available in the “/etc/group” file. When you run the command, you will get the list of the groups.
Which is the correct syntax to modify a group? The groupmod command modifies the definition of the specified GROUP by modifying the appropriate entry in the group database. The group ID of the given GROUP will be changed to GID. The value of GID must be a non-negative decimal integer. This value must be unique, unless the -o option is used.