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If you've only ever used Microsoft Windows, perhaps you don't see what the fuss is about. This page is a bit of advocacy, a few useful links and a (hopefully) balanced view of the Linux and free software world.


So, first, what is Linux?


It's an operating system, one of many available. Others include DOS, Mac OS, Windows, Beos and OS/2. Linux is a Unix clone, it behaves like Unix, looks like Unix and is probably running the web server you are connected to. It's stable and it's free. (That's free as in "free speech" not as in "free beer".)


Who publishes it?


Linux is maintained and developed by an army of volunteers and released under the GPL (General Public Licence). That means it comes with source code, so if you want to modify anything, feel free. You can (and should) give copies to friends, relatives and anyone else you like. You don't pay for extra licences, the licence is only there to ensure it stays free. You can install it on as many machines as you want to.

And this is going to cost a fortune, isn't it?

Linux CDs typically cost only £5, which covers the cost of production and distribution. Various options exist. You can buy just the CD (£5), buy it with a book (about £30) or buy a boxed distribution with a couple of month's telephone support included in the price (about £50 to £70). Your choice. It's also much cheaper than other operating systems, even if you buy the dearest option. It's often given away on magazine cover CDs.

Be very careful before you buy boxed Linux from some large PC superstores. Often the software on the CDs is way out of date. If it is more than a few months old, look elsewhere. Linux advances quickly compared to commercial Operating Systems. Find out from the web site what the latest release number is before you buy.

Where do I find out more? (UK magazines)

Both PC Plus and Linux Format are worth investigating. PC Plus is an in-depth magazine which covers Windows, Linux and occasionally other operating systems, offering a mixture of product reviews and technical help. Linux Format started during 2000 and offers technical articles on dealing with Linux and programming. I particularly like their "What on earth is..." articles. Half the problem with Linux is figuring out what a program is supposed to do.

So it's an amateur Operating System?

The people who write code for Linux do it because they want to, not because they have to. They probably write code for a living, so why should something that they do for the love of it be any worse than the stuff they write professionally? The code is open to peer-review, then is extensively tested before it is considered reliable. Mistakes and bugs are quickly sorted out. Huge corporations don't react as quickly and are often reluctant to even admit that any faults exist.

So what can it do?

Linux can do anything a Windows, Mac or OS/2 machine can do and probably a lot more. How many Windows machines can read the hard drive partition used by another Operating System? I could download files under Windows, then open them with Linux programs and either save them on the Windows drive or in the Linux partition. Or write them to a CD

It has a graphical interface (Xwindows, point and click with a mouse). The picture below is the KDE (K Desktop Environment) interface. The only thing you really need to adapt to is the "single mouse click" default Linux behaviour and you can change that if you don't like it .

You get a huge number of programs to use with Linux. When you buy a Windows Machine, you get the basics: web browser, e-mail and a few other bits and pieces. With Linux you get a choice of web browsers and e-mail clients, graphics tools, Office suites, a few games, in fact, more stuff than you'll ever need. Half the problem is figuring out what various utilities do.

So, what's the difference between SUSE, Red Hat, Debian, Mandrake and other flavours of Linux?

Although the core operating system is the same, different sellers add their own tools to make it either easier to use or more powerful. Imagine if Ford built a basic car which was delivered to various dealers. One dealer sells it as a sports car (with alloy wheels and a performance tuned engine), another sells it as a reliable family car (with the engine tuned for economy and ordinary wheels), another dealer makes a luxury car by adding air con and a CD player.... Linux is like that, all flavours are based around the same core operating system. The nice thing is, you can add bits from other distributions to make it what you want. I use Linux Mandrake, a easy to install and use distribution from France, but if Red Hat includes something nice in their distribution, I can install whatever features I like. (Mandrake started off with Red Hat Linux, but they changed itto how they think it ought to be.) For more details on the distributions (i.e. core operating system with a collection of software) there's an useful page at The Linux Distribution Game.

Is it suitable for beginners?

If you've never used a PC before, you will need an operating system installed for you, but it's no harder for a beginner to use than any other.

Do you need to be an expert to install it yourself?

If you are able to format a hard drive or re-install Win 95/98, you'll have no difficulties in installing Linux. (In fact, the only problems you'll have is deciding how many of the utilities and programs you want to install.) There are always extensive documents with each distribution, but the best way of learning what needs to be done is to check out one of the on-line resources. Try Linux newbie for useful articles. Always back up vital data before installing Linux. It is possible to lose data, but not likely.

What about negative points?

Some devices (such as scanners and new hardware) are not always supported, although someone produces drivers for popular devices after a while.
Your internal modem will probably not work with Linux either, as many recent modems are "winmodems" and only work with MS Windows. (Windows acts as a huge driver. It's cheaper to get the modem's functions performed in software than buying an extra chip for the motherboard inside it). There are not many popular games available, so if you want games, you'll need an more popular OS or just have to make do with the colllection of free games that come with the distribution you've bought. Mandrake came with Freeciv, a clone of Civillisation 2, Nethack, various board games, card games etc. It makes the few games given away with a MS Windows CD look decidedly poor. Linux will quite happily share a PC with Windows, so if you want to dual boot to play games or use other programs, you can. It installls a boot-loader and gives you a choice of what to boot by default.

Anything else?


You can read the Windows portion of your hard disks, you can see all the files there, open pictures and save them, work on documents (some Linux programs, such as Abiword, Star Office and Open Office.org's office suite (free) can read MS Office files and Gnumeric can read and write Excel spreadsheets. Linux was born on-line, so you have a choice of five or six web browsers and utilities to collect your e-mail) Obviously it doesn;t run the Windows programs, but Linux is so much more FUN. Probably the reason I started to enjoy PCs in the first place. I've learned more since I've had Linux than since DOS was around. (remember the sense of satisfaction when you got a DOS game to run?) There are programs to enable Linux to run Windows programs!

Reliability, reliability, reliability!

Windows seems to always crash, needs re-booting and is generally irritating. There are more Windows machines about and plenty of viruses that will corrupt your system due to the poor security features in Outlook Express. Mandrake includes a (free) firewall to help keep out on-line crackers. Linux machines are just not affected by the viruses that kill Windows. A Linux box might receive a virus in an e-mail, but it won't affect it and it won't send it to all your friends. The virus is stopped there. Linux is more stable; even after installing things, it's never asked me to re-boot and while programs occasionally fall over, they don't take the machine with them. Try it for yourself, and discover why:


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