(written as Linux)a trade name for a version of the UNIX operating system originally developed by Linus Torvalds, who then distributed it free of charge over the Internet. Enthusiasts and other developers have extended and enhanced the software, normally also publishing their software free of charge. Linux is one of the most popular operating systems for developers and people running web-based applications. Unlike many other operating systems, such as Microsoft Windows, the Linux software runs on a range of different types of computer hardware including the PC and Macintosh.
- An open source version of UNIX which runs on various platforms.