Vi Editor Commands

• i → insert mode
• I → insert at line start
• ESC → escape to command mode
• R → replace mode
• x → delete character
• dd → delete line
• yy → copy line
• p → paste
• v → visual mode
• o → open new line below and insert
• O → open new line above and insert
• a → append after cursor
• A → append at end of line
• :q! → quit without saving
• :wq or ZZ → save and quit