In Unix, how do I find a user's UID or GID?

To find a user's UID or GID in Unix, use the id command. To find a specific user's UID, at the Unix prompt, enter:

Replace username with the appropriate user's username. To find a user's GID, at the Unix prompt, enter:

If you wish to find out all the groups a user belongs to, instead enter:

If you wish to see the UID and all groups associated with a user, enter id without any options, as follows:

At Indiana University, to get support for personal or departmental Linux or Unix systems, see At IU, how do I get support for Linux or Unix?