The following keys and key combinations have special effects when updating the contents of data items. Some of these keys are symbolic key names which might not be present on your keyboard.
| Key Name | Function | Default Key/Keystroke |
|---|---|---|
| Home | Moves the cursor to the beginning of the window | Home |
| Top-of-Text | Moves the cursor to beginning of the data item; causes the contents of the window to change if not currently displaying the beginning of the item | Ctrl+T |
| End | Moves the cursor to the end of the window | End |
| Bottom-of-Text | Moves the cursor to the end of the data item; causes the contents of the window to change if not currently displaying the end of the item | Ctrl+V |
| cursor-up | Moves the cursor up one line; if at the top of the window, updates the window to show the previous window of the item's contents | cursor-up |
| cursor-down | Moves the cursor down one line; if at the bottom of the window, updates the window to show the next window of the item's contents | cursor-down |
| cursor-left | Moves the cursor left one character position; if at the beginning of the window, shifts data in the window one character to the right | cursor-left |
| cursor-right | Moves the cursor right one character position; if at the end of the window shifts data in the window one character to the left | cursor-right |
| F2 | Clears the contents of the data item | KEY_F2 |
| Ins | Toggles between insert and replace modes; in insert mode, Ins is highlighted on the information line; the cursor changes shape | Ins |
| Del | Deletes the character at the current cursor position; if insert mode is on, causes all other characters to the right of cursor in the window to shift left one position | Del |
| Backspace | Deletes the character before the cursor position; if insert mode is on, causes all characters to the right of cursor in the window to shift left one position | Backspace |