 SLS became popular, but also drew criticism.MacDonald was criticized for trying to make money on free software, but defended by Linus Torvalds.Two of the early Linux distributions were made specifically in reaction to SLS, Ian Murdock's Debian to compensate for SLS's bugs, and Patrick Volkerding's Slackware to include installer patches which weren't added to SLS, and which MacDonald wouldn't allow Volkerding to distribute independently.