Linux (commonly pronounced /ˈlɪnəks/ in
English; variants exist) or GNU/Linux is a Unix-like computer operating
system. Linux is one of the most prominent examples of free software and
development: typically all underlying source code can be freely modified, used,
and redistributed by anyone.
Fedora (pronounced /fəˈdɔərə/) is an RPM-based, general purpose operating
system built on top of the Linux kernel, developed by the
community-supported Fedora Project and sponsored by Red Hat. Fedora's mission
statement is: "Fedora is about the rapid progress of Free and Open
One of Fedora's main objectives is not only to contain software
distributed under a free and open source
license, but also to be on the leading edge of such technologies.
Fedora developers prefer to make upstream changes
instead of applying fixes specifically for Fedora—this ensures that
their updates are available to all Linux distributions.
Fedora has a comparatively short life cycle: version X
is maintained until one month after version X+2 is
released. With 6 months between releases, the maintenance period is
about 13 months for each version.
Torvalds, author of the Linux kernel, says he uses Fedora because
it had fairly good support for PowerPC when he used that processor
architecture. He became accustomed to the operating system and
continues to use it.
Andrew Keith Paul Morton (born 1959 in England) is an Australiansoftware
engineer, best known as one of the lead developers of the Linux kernel. He
currently maintains a patchset known as the mm tree, which contains not yet
sufficiently tested patches that might later be accepted into the
official Linux tree maintained by Linus Torvalds.
Since August 2006, Morton has been employed by Google but will continue his current work in
maintaining the kernel. 
Andrew Morton delivered the keynote speech at the 2004 Ottawa
Linux Symposium. He is also a featured speaker at MontaVista Software's
Vision 2007 Conference.