I've talked before about how I am a lazy shell script programmer. It might be because I'm simply not a full-time professional software developer, and I don't even administer my own servers anymore—I ...

The eval command allows you to run the contents of variables as commands and can be very useful, especially in scripts. There are probably a lot of Linux users who have never encountered the eval ...

Establishing variables for certain things just makes good sense. If there is a path to a file or directory, that's a perfect candidate for a variable. That way, the code can be easily changed in the ...