Manual Pages  — LOGNAME

logname – display user's login name

SYNOPSIS DESCRIPTION EXIT STATUS SEE ALSO STANDARDS HISTORY

logname

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.

The utility exits 0 on success, and >0 if an error occurs.

The logname utility is expected to conform to IEEE Std 1003.2 ("POSIX.2").

The logname command appeared in BSD 4.4 .