The commands below include basic Unix commands such as ls, cat, cp, mv, grep, etc. We will also talk about some of the shortcuts that can help you take control of your operating system faster and ...

Redirection 101 Before we can talk about sed, awk, and grep, we need to talk about something a bit more basic—command-line redirection. Again, we're going to keep this very simple: ...

As a professional programmer I cannot agree more with the author that being able to script operations using Unix-like commands and regular expressions is extremely useful.