#my @command = ("su - $user -c id")  
####################################
#system ("su - $user"); #this Works#
####################################
#system ("@command") == 0 or die "system @command failed: $?";
#exec ('su - $user -c $action')   or print STDERR "couldn't exec foo: $!";
#exec("/bin/su","-",$user,$action);
#system ("su", "-", $user, "-c", "/bin/bash -c $action");
#system ("su - $user -c /bin/bash -c $action");
#system "sudo","su","-" => $user, -c =>  $action;