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[[Image:Tuxie.jpg|thumb|right|"Tux", the Linux mascot|130px]]

[[Image:Tuxie.jpg|thumb|right|"Tux", the Linux mascot|130px]]

Linux is a [[UNIX]]-like operating system whose [[source code]] is distributed freely under the [[open source]] GNU [[General Public License]] (GPL). It was started in 1991 as a university project by Finnish student [[Linus Torvalds]] as a replacement for the [[Minix]] operating system.

'''Linux''' is a [[UNIX]]-like operating system whose [[source code]] is distributed freely under the [[open source]] GNU [[General Public License]] (GPL). It was started in 1991 as a university project by Finnish student [[Linus Torvalds]] as a replacement for the [[Minix]] operating system.

Originally the term "Linux" was used to refer to just the [[kernel]] developed by Torvalds, but today it is used interchangeably to refer to both the kernel and a complete operating system which includes the kernel, graphical user interface, file system  and other software, collectively known as a ''distribution''.  Major Linux distributions include [http://www.redhat.com/ Red Hat], [http://www.novell.com/linux/ Suse] and [http://www.ubuntu.com/ Ubuntu].

Originally the term "Linux" was used to refer to just the [[kernel]] developed by Torvalds, but today it is used interchangeably to refer to both the kernel and a complete operating system which includes the kernel, graphical user interface, file system  and other software, collectively known as a ''distribution''.  Major Linux distributions include [http://www.redhat.com/ Red Hat], [http://www.novell.com/linux/ Suse] and [http://www.ubuntu.com/ Ubuntu].