Windows command prompt Tips

Useful tips that can be used on windows command prompt.

1. F1 retypes the previous command one character at a time
2. F2 brings up a dialog and asks "Enter the char to copy up to:"
3. F3 retypes the last command in full
4. F4 brings up a dialog and asks "Enter char to delete up to:"
5. F5 as for F3
6. F6 Print EOF character (Ctrl+Z)
7. F7 brings up a dialog of all the recent command history
8. F8 brings up each of the most recent commands, one at a time
9. F9 brings up a dialog and asks "Enter command number:"