Linux
From DigitalJargonBuster
Linux is a kind of operating system that runs on PCs and is open source. Globally, it is not as popular as Microsoft Windows, but is free and a popular system for the technical niche market.
Linux is a kind of operating system that runs on PCs and is open source. Globally, it is not as popular as Microsoft Windows, but is free and a popular system for the technical niche market.