What Is Linux?
Linux is a free What Is an Operating System?" later in this chapter.) Torvalds then released the system to his friends and to a community of "hackers" on the Internet and asked them to work with it, fix it, and enhance it. It took off.
Cross-Reference | See Chapter 14 for a discussion about the difference between hackers (who just like to play with computers) and crackers (who break into computer systems and cause damage). |
Today, there are hundreds of software developers around the world contributing software to the Linux effort. Because the source code for the software is freely available, anyone can work on it, change it, or enhance it. Developers are encouraged to feed their fixes and improvements back into the community so that Linux can continue to grow and improve.On top of the Linux kernel effort, the creators of Linux also drew on a great deal of system software and applications that are next section describing Linux's roots in the UNIX operating system.