Learn some of the most important Linux commands.

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You normally think of a critical section — that is, a piece of a program that excludes other programs from using a resource — as a pretty advanced technique. You certainly don’t often think of them as ...

Have you heard it said that everything in Linux is a file? That is largely true, and that’s why the ability to manipulate files is crucial to mastering Linux Fu. One thing that makes a Linux ...

There are a number of ways to merge and sort text files on Linux, but how to go about it depends on what you’re trying to accomplish – whether you simply want to put the content of multiple files into ...

The way the Linux file system is laid out makes perfect sense. I've been using Linux for so many years that I can't imagine another file system making more sense. When I consider how the Windows file ...

You often may need to compare one version of a file to an earlier one or check one file against a reference file. Linux provides several tools for doing this ...