NAME
logname —
display user's login name
SYNOPSIS
logname |
DESCRIPTION
The logname utility writes the user's
login name to standard output followed by a newline
(‘\n’).
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
STANDARDS
The logname utility is compliant with the
IEEE Std 1003.1-2008 (“POSIX.1”)
specification.
HISTORY
The logname command first appeared in
PWB/UNIX 1.0 and was reimplemented for
4.3BSD-Net/2.