logname - print user's login name

SYNOPSIS

       logname [--help] [--version]

DESCRIPTION

       This  manual  page  documents  the GNU version of logname.
       logname prints the calling user's name, as  found  in  the
       file /etc/utmp, and exits with a status of 0.  If there is
       no /etc/utmp entry for the calling process, logname prints
       an error message and exits with a status of 1.

   OPTIONS
       --help Print  a  usage message on standard output and exit
              successfully.

       --version
              Print version information on standard  output  then
              exit successfully.