Detailed description of vi commands and vi commands

Detailed description of vi commands and vi commands

Esc switch mode

Esc + I insert before the cursor

Esc + a Insert after cursor

Esc + o line feed

Esc + u undo

Esc + dl delete a character

Esc + dd delete a row

Esc + x delete a character

Esc + yy copy a row at the cursor + p paste it to the next row of the cursor

Esc + q do not save and exit

Esc + wq! Force exit after saving

Pwd current path

Su <User Name> switch user

Useradd <User Name>

Passwd <User Name>

Userdel <User Name>