TELNET

 $
 $ telnet mitsou.inria.fr
 connected to mitsou.inria.fr

 UNIX(r) System V Release 4.0 (mitsou)
 
 login: huitema
 password: ********
 Last login: Mon Jul 24 14:48:58 on console
 Sun Microsystems Inc.   SunOS 5.4       Generic July 1994
 You have new mail.
 $ cd more/secure-m
 $ ls
 proto    proto.c  xrand.c
 $