Bash scripting is every Linux administrator's Swiss Army knife. Learn how using a for-loop in conjunction with Bash scripts can produce powerful results.

The looping options provided by bash include for loops, while loops and until loops. They can help you get a lot done without too much effort.

Common errors with for loops One of the most common errors when using scripts bash on GNU/Linux is to read a file line by line by using a for loop (for line in $ (cat file.txt) do. ..). In this ...