Linux Fedora
Red Hat Enterprise Linux

What is Linux?

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2015-11-21 10:09:50

Linux is a free, open source operating system

kernel, but now is considered to be packaged with other programs to

be an entire operating system (known as a distribution, as there

are different ones). It is similar to the Unix operating system

which has been around for decades.

Red Hat and Ubuntu are two examples of Linux distributions --

others include Debian, Suse, Mandrake (formerly Mandriva), and

more. Linux as a whole is known for its robustness; it's used in

mission-critical tasks by many industries. It can cost little to

nothing to download and install, or you may choose to have a vendor

pre-configure and provide support for you.

By far, the two most popular distributions are Ubuntu and


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