It's easy to add a few lines of text to files on Linux, but there are tools that make it easier to add many lines.

The above command will execute the shell file and will display the output in the terminal. Adding Comments in Shell Just like in many other programming languages, we use “#” (the hashtag symbol) to ...

A device file is a special file in Unix/Linux operating systems that are used to allow programs and the user to communicate directly with the various partitions and devices on your computer.

I have a script — may be the subject of a future Linux-Fu — that provides dynamic DNS by altering a configuration file for the DNS server.