Ruediger Berlich, ALL YOU NEED TO KNOW ABOUT... The early history of Linux, Part 2, Re: distribution (PDF), in LinuxUser, April 2001. URL consultato il 16 aprile 2013.
«This was followed shortly after by the Softlanding Linux System (SLS), founded by Peter McDonald, which was the first comprehensive distribution to contain elements such as X and TCP/IP,...»