What is the vi editor

Users who use the Unix or Linux system will often hear people say that opening a certain file, or vi open, or ee open the file, then what is the vi editor? What is the use of this vi?

What is the vi editor?

The vi editor is generated with the development of the UNIX operating system. The vi editor is a powerful editor and the standard editor for the UNIX operating system. Unfortunately, vi editing is not suitable for beginners, and it is difficult to master. This is because it has no menus. All operations must be done through a combination of keyboard and specific shortcut keys. It is accustomed to editing under Windows. It is very uncomfortable for people to get into contact with vi for the first time. It takes time to learn and get used to.

In addition, the vi editor is also available in many Linux systems.