my $ssh = Net::OpenSSH->new("$host", user => "$user", passwd => "$passwd", timeout => 90, tty => 1 );

##</code><code>##

   -t	     Force pseudo-tty allocation.  This	can be used to execute arbi-
	     trary screen-based	programs on a remote machine, which can	be
	     very useful, e.g. when implementing menu services.	 Multiple -t
	     options force tty allocation, even	if ssh has no local tty.