Latest Stable Release Many new distribs
Latest Unstable Release Test Releases
First Version Linux
Price Free (in most cases)
Source Model Open source

Linux. commonly referred to as GNU/Linux is an open source, free operating system kernel. The kernel was patented by Linus Torvalds in the early 1990's. The linux kernel is the base for several operating systems, including Ubuntu, Kubuntu, Xubuntu, Edubuntu, Debian, Linspire, Red Hat, Fedora Core, Puppy Linux, Damn Small Linux, and many others.


Linux Kernel
Latest Stable Release
Latest Unstable Release 3.0-rc5
First Version 0.01
Price Free (except for a few distros)
Source Model Open source

The Linux kernel makes the base of all Linux distributions. The kernel is composed mainly in C although other languages (such as Assembly) also make up some functions.


Unix and Unix-like operating systems
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