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GNU/Linux: the free operating system


photo by Jeffrey

Linux was the brainchild of Linus Torvalds, who originally wanted to call it Freax. He first uploaded the working kernel to the world in September 1991.

Since then, thousands of programmers have worked on the operating system. Even Microsoft has contributed code to it!

However, Linux has always been considered the realm of geeks. In the past, you needed to be very knowledgeable about computers to install programs and drivers and make the operating system do things for you.

Add to this the number of versions of Llinux - called distributions - and Linux can look very intimidating to the layman. So it's had very little uptake by normal computer users - it holds around 1% of that market. 

That number is derived from an analysis of the operating systems used by computers accessing a number of sites on the internet and is based on 160 million visitors a month.

In reality, Linux is probably more widely used than can be accounted for. For example, Linux is the operating system used in many computerised gadgets, to keep the costs down. 

The 1% also excludes Linux as an operating system for network servers. While official figures indicate a market share for Linux servers at around 16%, that only accounts for computers shipped with the operating system. There is no reliable way of working out what operating system was installed on a machine sold without one, or indeed, what operating system was reinstalled over an original Windows.

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Useful Linux tips

Windows Software Equivalents
There are many open source equivalents to popular Windows programs and this list is a good place to start finding them.

Wine
If your favourite game doesn't run on Linux, it may well run under Wine. This software was designed to run Windows programs on other operating systems.

Which version is best for you?
There are many versions of Linux, of which Ubuntu is the most popular. This overview gives you the pros and cons of the most popular distributions.

What you save by using a Linux server instead of Windows
Here's a 2010 look at prices that you can use as a model for your own business.

Learn more about Linux.
Courses, books, documentation - all in one handy website.

Quick Facts about Linux

  • The idea of a free operating system began with Richard Stallman and the GNU project at MIT. GNU is an acronym of GNU's Not Unix.
  • Linus Torvald created Linux in response to the inadequacies of Minix, a Unix-inspired operating system he used at University. He began by writing a terminal emulator, then wanted to be able to transfer and save files. He uploaded the first version of Linux in September 1991.
  • A distribution is a Linux package which includes the Linux kernel, a desktop environment, libraries, utlities and a variety of applications. It is usually called a distro.
  • The most popular distro of Linux now is Ubuntu, which is very friendly towards the average desktop user. You can try it for free and without affecting your existing computer setup.

Helpful links

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IBM Linux ad: Prodigy

Linux advertisement from IBM, released in September 2003. "The Future is Open"
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