Vi Documentation

Note: The original vi.html file appears to contain Firefox content instead of vi documentation. This is a placeholder for actual vi/vim documentation.

Basic Vi Commands

Mode Switching

• i - Enter insert mode before cursor
• a - Enter insert mode after cursor
• o - Open new line below and enter insert mode
• O - Open new line above and enter insert mode
• ESC - Return to normal mode

Navigation

• h - Move left
• j - Move down
• k - Move up
• l - Move right
• w - Move to beginning of next word
• b - Move to beginning of previous word
• 0 - Move to beginning of line
• $ - Move to end of line
• gg - Go to first line
• G - Go to last line

Editing

• x - Delete character under cursor
• dd - Delete entire line
• yy - Copy (yank) entire line
• p - Paste after cursor
• P - Paste before cursor
• u - Undo
• Ctrl+r - Redo

Search and Replace

• /pattern - Search forward for pattern
• ?pattern - Search backward for pattern
• n - Next search result
• N - Previous search result
• :s/old/new/g - Replace all occurrences in current line
• :%s/old/new/g - Replace all occurrences in file

File Operations

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

Visual Mode

• v - Enter visual mode (character selection)
• V - Enter visual line mode
• Ctrl+v - Enter visual block mode

This is a basic reference. For complete vi/vim documentation, consult the manual with :help within vim or man vi from the command line.