Last night the problem was found, it was a wrong spelled word in /etc/inittab (for all the added pty's). That made only 32 instead of 128 pty's available. Anders -- Anders Grund Email: angr at imdpy1.im.se Industri-Matematik Data AB Phone: +46 8 676 50 00 Kungsgatan 8 Fax: +46 8 676 51 51 S-111 43 Stockholm, Sweden