The Linux fold command can break long lines of text into pieces, but it can also be used to create arguments for looping in scripts. The Linux fold command enables you to break a string of characters ...

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 ...

If you've worked in the terminal, it's likely you're in some way proficient with the command history features of your shell. There's a lot more functionality than many realise however, and learning it ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

I wish I'd known these time-saving tweaks and tricks from the start.