Vim editor and it's difference and how to repair these editor

Question

What is difference between Vi and Vim in Ubuntu,Because when you type some text in vi it's much differ from what you type in vim . thank you

Answer 1

Vi is the original "classic" editor. Vim (Vi IMproved) is a version of Vi that has more features. The differing text is likely the configuration of Vim on your system. On full Linux systems, vi is generally provided by busybox, while vim is a package.