In this post, we look at scripting basics—at how to get started if you have never built a script before. Identifying the shell Unix and Linux systems today have a number of shells that you can use.

Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

It's the name of the script or program invoked. This can be quite helpful, because it means you can add multiple commands to your Linux shell with a single shared script base. Let's say that you want ...

Many Linux-based machines run Bash as their standard scripting engine, but some distributions, like Alpine and Debian, don't. Testing your script with other shells can help with portability.

With Linux and most other modern operating systems, both programs will run together with the input of the second program connected to the first program’s output.