Macros
Registers
Indent text
Resources:
https://www.freecodecamp.org/news/learn-linux-vim-basic-features-19134461ab85/
How to comment multiple lines:
https://discuss.devopscube.com/t/how-to-comment-and-uncomment-multiple-line-vi-terminal-editor/64
Search and replace
Search in multiple files
Marks and positions
Diff
How to use folds
How to use diff