OptionsOn id itself
-A
Display the process audit user ID and other process audit properties, which requires privilege
-F
Display the full name of the user
-G
Display the different group IDs (effective, real and supplementary) as white-space separated numbers, in no particular order
-M
Display the MAC label of the current process
-P
Display the id as a password file entry
-g
Display the effective group ID as a number
-n
Display the name of the user or group ID for the -G, -g and -u options instead of the number. If any of the ID numbers cannot be mapped into names the number will be displayed as usual
-p
Make the output human-readable
-u
Display the effective user ID as a number
