vi

• 1976: vi by Bill Joy
• 1991: vim by Bram Moolenaar
• 2014: neovim

Modes

• Normal Mode
• Insert Mode
• Visual Mode
• Command Mode
• Replace Mode

Visual

• In visual model, you select text using movement keys before you decide what to do with it

• v stands for visual selection

• V: selects the whole line

• Ctrl+v: block selection

Insert

• i: Insert mode at left of current selection

• a: Insert mode at right of current selection

• I: Insert mode at the beginning of line

• A: Insert mode at the end of line

• o: Insert mode at a new line (after)

• O: Insert mode at a new line (before)

• S: clear the current line and enter insert mode

Delete

• Deleted text is registered in VIM (copied) so that it can be pasted afterwards

• x: delete character under cursor

• X: delete character to the left of cursor

• D: delete until end of line

• dd: delete the whole line

Change

• Same as delete, but additionally starts insert mode
• c

Replace

• r[char]: replace one character
• R: replace mode (overwrite the text that's already there)

Yank (Copy)

• y copies from a command or visual selection
• yy: yank the whole line
• yap: copies the whole paragraph

Put (Paste)

• Paste text in the current selection
• Text to be pasted must in vim's register

• vim does not have the ability from paste from you system clipboard

• p: paste below the current line

• P: paste above the current line

Period

• .: executes the last command

Undo / Redo

• u: undo last operation

• U: undo whole line

• ctrl + r: Redo

Focus

• z + z: Focus the current line (middle)
• z + t: Focus the current line (top)

Macro

• q + q: record a macro. q again to stop macro recording
• @ + q: use the recorded macro

Quit

• Shift + Z + Z: Save and Quit
• Shift + Z + Q: Quit without saving

Search

• /keyword: search forwards

• ?keyword: search backwards

• n: next occurrence

• N: previous occurrence

Splitting

• <C-w>v: Split window vertically
• <C-w>s: Split window horizontally
• <C-w>=: Make splits equal size