Contributed by B@rt.
For a (complete?) overview of Blender hotkeys, please look here:
https://home.iae.nl/users/exwhale/blender/keys/main.html
Though this list is for Blender 1.67, most of the hotkeys are still the same in 2.x
You can also download CSN Media's Blender Hotkeyboard from
https://www.csnmedia.nl/software.htm
Contributed by B@rt.
Select Quit from the File menu or press Q.
Contributed by B@rt.
If you're working under Windows, make sure that NUMLOCk is on.
When working under X-Windows, make sure you have properly configured your system to work with the numeric keypad (AND make sure that NUMLOCK is on ;-)
Contributed by B@rt.
Press F5 to quickly switch to the Material Buttons Window.