As stated in the introduction, text editing[9] is a fundamental feature when using a UNIX system. The two editors we are going to take a quick look at are a little difficult to use initially, but once you understand the basics, each can prove to be a powerful tool.
[9] “To edit text” means to modify the contents of a file containing only letters, digits, and punctuation signs; such files can be electronic mail messages, source code, documents, or even configuration files.