The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells ...

If you're writing a Bash script, you will invariably need to pass values to it—aka arguments or positional parameters. Bash's approach is a little clunky, but it works. Examples are the easiest way to ...

It also saves a log in the same location as the backup file, including: Logging the start and end time plus how long the backup took. Logging every file that was ...

Abstract: A design of a floating focusing system based on polymer films is proposed, in which water is the material for making the lens. This makes it possible to implement a focusing system of high ...