ID(1) — UNIX 3.0
NAME
id − print user and group IDs and names
SYNOPSIS
id
DESCRIPTION
Id writes a message on the standard output giving the user and group IDs and the corresponding names of the invoking process. If the effective and real IDs do not match, both are printed.
SEE ALSO
logname(1), getuid(2), getgid(2).
May 16, 1980