Making a change sometimes takes a great effort coupled with a great sacrifice. At other times, though, it simply calls for a little adjustment of what we already have. The stream editor does just this. Since inside the UNIX shell, the universal language spoken is the text stream, with the help of this tool you can make some easy and fast modifications to the shell. If you are interested in what you can change and how you can change it with the stream editor, you will have to read this article.
This article is part of my series related to shell programming in UNIX. Therefore, I will build on the fact that you can already write a script and run it inside a terminal. In addition, you should also know how to handle the control mechanism of the UNIX shell. All of these things are explained in my previous articles, so if by chance you missed them just search them up and embrace their knowledge.