# Extended Display Mode Commands
> [HTML Version](extendeddisplaymodecmds.htm)
Precede the commands in the following table with Ctrl+Underscore.
| **Command** | **Action** |
|------|------|
| C | Copy marked block |
| D | Delete marked block |
| E | Increment VEDIT or PROGRAM value, insert dated note |
| K | Capture macro keystrokes |
| P | Playback macro keystrokes |
| Q | Toggle insert mode (same as Control-Q) |
| R | Undo last Control-Z or Control-Y |
| S | Center current line |
| U | Clear (unmark) marked block |
| V | Move marked block to cursor position |
| X | End macro keystroke capture |
Precede the commands in the following table with Ctrl+S.
| **Command** | **Action** |
|------|------|
| Ctrl+a | Pop |
| Ctrl+b | Copy current line to scrap buffer |
| Ctrl+d | Copy marked block (to cursor location) |
| Ctrl+g | Move marked block (to cursor location) |
| Ctrl+o | Playback scrap buffer |
| Ctrl+p | Unmark block |
| Ctrl+s | Center display vertically around current row |
| Ctrl+t | Push |
| Ctrl+v | Toggle capitalization of current word |
| Ctrl+z | Delete marked block |
| d | Output current date |
| e | Output edit number (\[nnn\] - from VEDIT or PROGRAM statement) |
| u | Output user name |
| t | Output current time |