id - Print user and group information for each specified `USER`, or (when `USER` omitted) for the current

       Print user and group information for each specified `USER`, or (when  `USER`  omitted)  for  the  current
       user.

       id - Print user and group information for each specified `USER`, or (when `USER` omitted) for the current
       user.

-A     Display  the  process  audit  user ID and other process audit properties, which requires privilege
              (not available on Linux).

       -u, --user
              Display only the effective user ID as a number.

       -g, --group
              Display only the effective group ID as a number

       -G, --groups
              Display only the different group IDs as white-space separated numbers, in no particular order.

       -p     Make the output human-readable. Each display is on a separate line.

       -n, --name
              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     Display the id as a password file entry.

       -r, --real
              Display the real ID for the -G, -g and -u options instead of the effective ID.

       -z, --zero
              delimit entries with NUL characters, not whitespace; not permitted in default format

       -Z, --context
              print only the security context of the process (not enabled)

       -h, --help
              Print help

       -V, --version
              Print version

       [USER]

id  [-A  ]  [-u|--user]  [-g|--group]  [-G|--groups]  [-p  ]  [-n|--name]  [-P  ] [-r|--real] [-z|--zero]
       [-Z|--context] [-h|--help] [-V|--version] [USER]

       v0.0.30

                                                    id 0.0.30                                              id(1)