.TH LOGNAME 1 .SH NAME logname \- get login name .SH SYNOPSIS .B logname .SH DESCRIPTION .I Logname\^ returns the contents of the environment variable .SM \fB$LOGNAME\fP, which is set when a user logs into the system. .SH FILES /etc/profile .SH SEE ALSO env(1), login(1), logname(3X), environ(7).