NAME
logname —
display user's login
name
SYNOPSIS
DESCRIPTION
The
logname utility writes the user's login name to standard
output followed by a newline.
The
logname utility explicitly ignores the
LOGNAME
and
USER
environment
variables because the environment cannot be trusted.
EXIT STATUS
The
logname utility exits 0 on success, and >0 if
an error occurs.
SEE ALSO
who(1),
whoami(1),
getlogin(2)
STANDARDS
The
logname utility conforms to
IEEE Std
1003.2-1992 (“POSIX.2”).
HISTORY
The
logname command appeared in
4.4BSD.