Ctrl+Z for undoing mistakes. Ctrl+Y for redoing mistakes. Ctrl+X for cutting information. Ctrl+C for copying information. Ctrl+V for pasting that you copied or cut. Ctrl+S to save your work/file. Ctrl+A to select all. Ctrl+P to print your picture/file. Ctrl+shift+T to open the last tab you closed on the web browser. Caps Lock+letters instead of holding down shift key. (Note: These would be command + on apple computers)
