"Be sure each child understands both the logic for your decisions and the responsibilities they will encounter upon your ...

The output will be what you expect, it will echo Hello World onto the screen. You can also use echo to view the contents of a variable: As with most Linux commands, there's definitely more that we can ...

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. There are a number of ways to add text to files on Linux systems without having to ...

The Linux expect command takes script writing to an entirely new level. Instead of automating processes, it automates running and responding to other scripts. In other words, you can write a script ...

Digital photography has become so ubiquitous today that even medium-range mobile phones can capture photographs. Once you transfer photos to the PC, you need to be able to share them with friends and ...