Operating System Downloads
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Free Operating System Downloads
The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian GNU/Linux, or simply Debian for short.
An operating system is the set of basic programs and utilities that make your computer run. At the core of an operating system is the kernel. The kernel is the most fundamental program on the computer and does all the basic housekeeping and lets you start other programs.
Debian systems currently use the Linux kernel. Linux is a piece of software started by Linus Torvalds and supported by thousands of programmers worldwide.
However, work is in progress to provide Debian for other kernels, primarily for the Hurd. The Hurd is a collection of servers that run on top of a microkernel (such as Mach) to implement different features. The Hurd is free software produced by the GNU project.
A large part of the basic tools that fill out the operating system come from the GNU project; hence the names: GNU/Linux and GNU/Hurd. These tools are also free.
Of course, the thing that people want is application software: programs to help them get what they want to do done, from editing documents to running a business to playing games to writing more software. Debian comes with over 25000 packages (precompiled software that is bundled up in a nice format for easy installation on your machine) — all of it free.
It's a bit like a tower. At the base is the kernel. On top of that are all the basic tools. Next is all the software that you run on the computer. At the top of the tower is Debian — carefully organizing and fitting everything so it all works together.
You may be wondering: why would people spend hours of their own time to write software, carefully package it, and then give it all away? The answers are as varied as the people who contribute. Some people like to help others. Many write programs to learn more about computers. More and more people are looking for ways to avoid the inflated price of software. A growing crowd contribute as a thank you for all the great free software they've received from others. Many in academia create free software to help get the results of their research into wider use. Businesses help maintain free software so they can have a say in how it develops -- there's no quicker way to get a new feature than to implement it yourself! Of course, a lot of us just find it great fun.
Debian is so committed to free software that we thought it would be useful if that commitment was formalized in a written document. Thus, our Social Contract was born.
Although Debian believes in free software, there are cases where people want or need to put non-free software on their machine. Whenever possible Debian will support this. There are even a growing number of packages whose sole job is to install non-free software into a Debian system.
You might be asking: If the software is free, then why do I have to pay a vendor for a CD, or pay an ISP for downloading?
When buying a CD, you are paying for someone's time, capital outlay to make the disks, and risk (in case they don't sell them all). In other words, you are paying for a physical medium used to deliver the software, not for the software itself.
When we use the word "free", we are referring to software freedom, not that it's without cost. You can read more on what we mean by "free software" and what the Free Software Foundation says on that subject.
A better question is how do software companies get away with charging so much? Software is not like making a car. Once you've made one copy of your software, the production costs to make a million more are tiny (there's a good reason Microsoft has so many billions in the bank).
Look at it another way: if you had an endless supply of sand in your backyard, you might be willing to give sand away. It would be foolish, though, to pay for a truck to take it to others. You would make them come and get it themselves (equivalent to downloading off the net) or they can pay someone else to deliver it to their door (equivalent to buying a CD). This is exactly how Debian operates and why most of the CDs/DVDs are so cheap (only about 12 USD for 4 DVDs).
Debian does not make any money from the sale of CDs. At the same time, money is needed to pay for expenses such as domain registration and hardware. Thus, we ask that you buy from one of the CD vendors that donates a portion of your purchase to Debian.
Debian will run on almost all personal computers, including most older models. Each new release of Debian generally supports a larger number of computer architectures. For a complete list of currently supported ones, see the documentation for the stable release.
Almost all common hardware is supported. If you would like to be sure that all the devices connected to your machine are supported, check out the Linux Hardware Compatibility HOWTO.
There are a few companies that make support difficult by not releasing specifications for their hardware. This means you might not be able to use their hardware with GNU/Linux. Some companies provide non-free drivers, but that is a problem because the company could later go out of business or stop support for the hardware you have. We recommend that you only purchase hardware from manufacturers that provide free drivers for their products.
Don't take our word for it - try Debian yourself. Since hard disk space has become less expensive, you can probably spare about 2GB. If you don't want or need a graphical desktop, 600MB are sufficient. Debian can be easily installed on this extra space and can coexist with your existing OS. If you eventually need more space, you can simply delete one of your OSes (and after you see the power of a Debian system, we are confident you won't delete Debian).
As trying a new operating system will take some of your valuable time, it is understandable that you may have reservations. For this reason we compiled a list of pros and cons of Debian. This should help you decide whether you think it's worth it. We hope you'll appreciate our honesty and frankness.
How do I get Debian?
It's most popular to install Debian from a CD which you can buy for the price of the media at one of our many CD vendors. If you have good Internet access, you can download and install Debian over the Internet.
Please see our page about getting Debian for more information.
If you haven't yet, you may want to first look at the Linux Hardware Compatibility HOWTO.
Don't forget to take a look through the packages
we offer (hopefully you won't be intimidated by the sheer number).
The OpenSolaris Operating System offers unique features designed to help you build and deploy high-performance application services, starting with the Image Packaging System (IPS), continuing to the latest enhancements to the award-winning ZFS and featuring integrated virtualizaton options that span OS, network and storage -- and that's just the beginning. OpenSolaris gives you next generation Solaris technologies coupled with the best in open source software and a vibrant development community.
With OpenSolaris, you get a fully supported Operating System to run your applications from idea to development to deployment on a global scale without switching platforms. OpenSolaris runs on hardware from the leading systems providers.
OpenSolaris is distributed on a single LiveCD that includes the core OS - the kernel, system libraries, and system utilities. The LiveCD's localized, graphical installer makes the installation process familiar and intuitive. It also allows developers to try the OS before installation, and to select, install, and upgrade additional components using the OpenSolaris Image Packaging System.
- Chat with friends and colleagues through Empathy which integrates Yahoo, Gmail, MSN, Jabber, AOL, QQ and many more.
- Evolution gives you email, an address book and a calendar and works well with colleagues and friends using MS Outlook.
- Ubuntu includes Mozilla Firefox 3.5 for faster and safer browsing.
- For a choice of other open-source web browsers visit the Ubuntu Software Center and take your pick.
- Upload from your camera or phone to F-Spot.
- Manage, tag, share and sort your photos.
- Upload easily to your favourite social network or photo-sharing sites including Flickr, Facebook, Picassa and many others.
- Plug in your PSP, iPod, MP3 player and use Rhythmbox to download, store, buy and play music.
- Share playlists with your friends.
- Access Last.fm directly through Rhythmbox to stream your favourite music.
- Stream and play video from YouTube, BBC and others.
- Create professional documents, spreadsheets and presentations with OpenOffice.org 3.0.
- OpenOffice.org is compatible with all office applications including Microsoft Office.
- The big difference is that OpenOffice.org is free (and promises never to introduce Mr Clippy).
- Over 400 completely free and completely cool games. Solitaire is not the only game in town.
- Visit the Ubuntu Software Center to easily browse, select and install games.
- Integrated "Ubuntu One" technology gives you 2 GB of online storage for free.
- Easily share files between your own and your friends' computers.
- Upgrade at low cost for more storage if you need it.
- Instant access to thousands of free and open-source applications.
- Categories include Education, Games, Sound and Video, Graphics, Programming and Office.
- Simply select the applications you want to use and the Ubuntu Software Center will add them to your computer.
- No CDs, no licenses, no hassle.
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