How to list all groups?

To list all groups on a Linux system, you can use the following command:

cat /etc/group

Explanation:

• This command displays the contents of the /etc/group file, which contains information about all groups on the system.

Alternative Command:

You can also use the getent command:

getent group

Output:

Both commands will show a list of groups, typically formatted as:

group_name:x:GID:user1,user2,...

• group_name: The name of the group.
• GID: The group ID.
• user1,user2,...: Users that are members of the group.

If you have any further questions or need more details, feel free to ask!