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LOGNAME(1) General Commands Manual LOGNAME(1) 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. The logname utility explicitly ignores the LOGNAME and USER environment variables because the environment cannot be trusted. 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. NetBSD 8.0 June 9, 1993 NetBSD 8.0