Recipe 8.3. Finding a User s UID and GID

Recipe 8.3. Finding a User's UID and GID

8.3.1 Problem

You want to know a quick way to check the UIDs of users and see what groups they belong to.

8.3.2 Solution

Use the id command:

$ id carla uid=1000(carla) gid=1000(carla) groups=1000(carla),20(dialout),24(cdrom),25(floppy), 29(audio),30(dip),44(video), 105(windows),432(usb),1001(cdrecording)

8.3.3 Discussion

id has a few options:

-u

Show the UID only.

-g

Show the GID only.

-gn

Show the user's primary group name, instead of the GID.

8.3.4 See Also

• id(1)