Ubuntu, a popular Linux Distribution A Linux distribution (also called GNU/Linux distribution and often simply distribution or distro) is a member of the Linux family of Unix-like computer operating systems. ... CentOS is a freely available Linux distribution which is based on Red Hats commercial Red Hat Enterprise Linux (RHEL) product. ... Debian is a free operating system. ... The Gentoo Linux operating system (pronounced ) is a Linux distribution named after the Gentoo penguin. ... Knoppix, or KNOPPIX, is a complete Linux distribution on a CD. This includes a working computer operating system and a powerful suite of graphical user software which can be used as a live CD. It is a Debian-based Linux distribution, developed by Linux consultant Klaus Knopper. ... Mandriva Linux (formerly Mandrakelinux or Mandrake Linux) is a Linux distribution created by Mandriva (formerly Mandrakesoft). ... Red Hat Enterprise Linux (often abbreviated to RHEL) is a Linux distribution produced by Red Hat and targeted toward the commercial market, including mainframes. ... Slackware was one of the earliest Linux distributions, and is the oldest, and most UNIX-like, distribution still being maintained[1]. It was created by Patrick Volkerding of Slackware Linux, Inc. ... This page provides general information about notable Linux distributions in the form of a categorized list. ...