Linux

Providing a summary of Linux in a few paragraphs is a difficult task. Unlike other operating systems, each of which has only a single variation, Linux has many different distributions, each offering a slightly different approach. Some of the most common Linux distributions include Red Hat, SuSE, Debian, and Caldera. In light of the many versions of Linux, if a command or an approach is listed in this section and is not available in the version of Linux you are using, you can look for an equivalent command or approach in your version, and you will very likely find one.

The history of Linux can be traced back to 1991, when Linus Torvalds, then a student at the University of Helsinki, set out to make a Unix-like operating system. After developing ...

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