If you use bash you already know what Parameter Expansion is, although you may have used it without knowing its name. Anytime you use a dollar sign followed by a ...

Parameter expansion requires a bit of practice, but it can be very useful once you’ve become familiar with its many applications. Parameter expansion on a Linux system is a feature in the bash shell ...

Shell scripting is full of secrets and hidden tricks, so it pays to have a few patterns up your sleeve. For inspiration, try these scripts from real projects, including Homebrew, BashBlog, and nvm. By ...

The bash man page is close to 40K words. It's not quite War and Peace, but it could hold its own in a rack of cheap novels. Given the size of bash's documentation, missing a useful feature is easy to ...