This page lists and links to information on the various versions of Fedora operating system Fedora , a popular Linux distribution developed by the community supported Fedora Project and sponsored by Red Hat . Fedora attempts to maintain a six month release schedule, offering new versions in May and November. Fedora Core 1 4 File Fedora Core 1.png thumb Fedora Core 1 with Gnome File Fedora Core 4.png thumb Fedora Core 4 using GNOME and the Bluecurve theme Fedora Core 1 was the first version of Fedora and was released on November 6, 2003. ref name fc1 release cite news url http www.redhat.com archives fedora announce list 2003 November msg00000.html title Announcing Fedora Core 1 author Red Hat date 2003 11 06 accessdate 2007 10 18 ref It was codenamed Yarrow . Fedora Core 1 was based on Red Hat Linux 9 and shipped with version 2.4.19 of the Linux kernel, version 2.4 of the GNOME desktop environment, and K Desktop Environment 3 K Desktop Environment 3.1 . ref name FC1 RN cite web url http docs.fedoraproject.org release notes fc1 x86 title Fedora Core 1 Release Notes accessdate 2007 10 19 ref Fedora Core 2 was released on May 18, 2004, codenamed Tettnang . ref name FC2Rel cite news url http www.redhat.com archives fedora announce list 2004 May msg00010.html title Presenting Fedora Core 2 author Red Hat date 2004 05 18 accessdate 2007 10 18 ref It shipped with Linux 2.6, GNOME 2.6, KDE 3.2, and Security Enhanced Linux SELinux ref name FC2Rel SELinux was disabled by default due to concerns that it radically altered the way that Fedora Core ran . ref name FC2 RN cite web url http docs.fedoraproject.org release notes fc2 x86 title Fedora Core 2 Release Notes accessdate 2007 10 19 ref XFree86 was replaced by the newer X.org, a merger of the previous official X11R6 release, which additionally included a number of updates to Xrender, Xft , Xcursor, fontconfig libraries, and other significant improvements. ref name FC2 RN Fedora Core 3 was released on November 8, 2004, codenam ... more details