The original shell was simple but as people started to use Unix for application development and scripting, it was too limited. It didn’t have variables, it didn’t have control flow, and it had very ...

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.

The first chapter is a quick tutorial of shell scripting and a summary of all the techniques discussed later. The second one goes head first into deep scripting mode, setting the pace for the whole ...