Linux Handy commands

: W! sudo tee%

When using VIM to open a file modification without permission, you can use! Add sudo permissions

Ctrl+r

You can retrieve the previously entered command, you can enter a partial search, press the TAB key to determine

Ynj

Copy down multiple lines, y for copy, n for rows, copy n rows starting from this line, H for left, J for down, K for up, L for right

For example, y4j indicates that 4 rows are copied down

Ctrl+ww

Switch two windows when using Vimdiff two file comparison

Linux Handy commands