Berlich, Ruediger (April 2001). «ALL YOU NEED TO KNOW ABOUT... The early history of Linux, Part 2, Re: distribution»(PDF). LinuxUser. Besøkt 16. april 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,...»