Navigation

• h j k l - Move cursor left/down/up/right
• w - Jump to start of next word
• b - Jump to start of previous word
• 0 - Jump to start of line
• $ - Jump to end of line
• gg - Jump to start of file
• G - Jump to end of file

Editing

• i - Insert mode before cursor
• a - Insert mode after cursor
• dd - Delete line
• yy - Yank (copy) line
• p - Paste after cursor
• u - Undo
• Ctrl+r - Redo

File Operations

• :w - Save file
• :q - Quit
• :wq - Save and quit
• :q! - Quit without saving