VIM usage record

Use version vim8+
cc Delete the line and enter insert mode , And notice , It retains the original indentation of the line
:ls List buffers （ A cache is an internal representation of an open file ） and :buffers :files Same effect . After seeing the list of buffers , It can be used :b Buffer number or file name Switch to another buffer . and :bn and :bp Is traversal ,:bd Is to delete buffers that are no longer edited .
u and Ctl - r It's a pair. . One turns around , Go forward one by one . and . Is to redo the last action .
:Ex Open the built-in file browser Netrw
:set wildmenu Start enhanced tab Document completion （ There is a list of files visible ）

To be continued ~