Linux operating system Free Unix-like operating system which source code is also freely available. Developed by a wide community of volunteers throughout the Internet. As anybody can check and fix the source code, this system is very reliable, powerful, and secure, in particular when your computer is connected to the Internet. In particular, it is more resistant to electronic viruses. It is also present in the new Sony Playstation II, as well as in new Internet appliances.
Updates are very frequent and can be downloaded from the Internet.
Very interesting for people who want to understand how their computer works or get familiar with Unix. In addition, it is based on public protocols and file standards. User data privacy is very easy to protect. Multi-tasking is safe. Even if a user task crashes, this will not impact the execution of other tasks.