How to list all GIDs?

To list all Group IDs (GIDs) on a Unix-like system, you can use the following command in the terminal:

cut -d: -f3 /etc/group

Explanation:

• cut: This command is used to extract sections from each line of input.
• -d:: Specifies the delimiter as a colon (:), which is used in the /etc/group file.
• -f3: Extracts the third field, which corresponds to the GID.

Alternative Command:

You can also use the getent command:

getent group | cut -d: -f3

This command retrieves the group information from the system's database and then extracts the GIDs.

Both commands will output a list of all GIDs present on the system. If you have any more questions or need further assistance, feel free to ask!