The Linux script command has been around for ages and provides a simple but useful service. It lets you record command line activity – both input and output.

You could even embed an executable file in a script — even another script — and then execute that script which might unpack another script. It boggles the mind.

Sourcing a file makes it possible for an executable to “source” information from a script as though the script had printed its output to the terminal.

The script command will run your .bashrc start-up file when you start your command recording. It will save the commands you enter along with the output generated by them.

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 example, the for loop leads to an ...

Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED.