Even after decades of using Unix on thousands of systems, I find that it’s still fun to discover various convolutions of sed and awk commands to perform command line wizardry. There’s a lot more to ...

The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

ITworld.com – One of the more frustrating aspects of learning Unix, or just about any computer language for that matter, is trying to recall the names of unfamiliar commands. This is especially ...