Dan Farmer

dan is a computer spy and master procrastinator (just ask wietse!) that hacks mostly Unix stuff in awk, perl, shell, and C. He lives in San Francisco, California, USA, works for Silicon Graphics Computer Systems., and is lucky enough to be able to live in an electronic age that permits him to work with wietse.

Wietse Venema

Wietse is a Unix guru who lives in the Netherlands and works for the Eindhoven University of Technology. He is having several professional lives, and in his spare time likes to write amazing tools and papers.

E-mail to both authors can be sent to (or click on the e-mail address.) We'll try to answer it, but please be aware that we only work on SATAN in our (very) part time. You might also try posting to for answers. Failing either of these, you can send mail directly to dan:

or Wietse: