\item[Softlanding Linux System (SLS)] The second Linux distros (after MCC), founded by Peter MacDonald in May 1992. Although touted as an alternative to DOS (its original slogan was ``Gentle Touchdowns for DOS Bailouts'') it was considered buggy by many of its users. It was the first comprehensive Linux distributions in that in addition to the Linux kernel in also included other basic utilities, such as the X Window System (q.v.). It formed the basis of the Slackware distro (q.v.).