| |
| Modifier Key(s) | Result |
| command + option + escape | Force the forground application to quit |
| command + option + tab | Erase floppy that you insert |
| command + option + power key | Restart the computer |
command + shift + 1 | Eject primary internal floppy |
command + shift + 2 | Eject secondary internal or external floppy |
command + shift + 3 | Save whole display to disk ("screen shot" or screen capture, see next entry below; also works in SimpleText) |
command + shift + 4 | Save user defined part of display to disk (marquee'd screen capture; also works in SimpleText) |
command + . (period key) | Cancel forground process (not universally applicable) |
| option | Acts as a modifier to apply action to all {example: hold down the option key while activating window shade in any window will cause open windows to behave together |
| option | Acts as a modifier to change the Apple Menu "About this Macintosh" to "About the Finder" |
| option | Acts as a modifier to close all open windows on startup |
| option | Acts as a modifier, when dragging Finder items, to duplicate those items |
| option | Acts as a modifier to hide the forground application when switching to another application |
| command + option | Acts as a modifier when opening the Memory control panel. Allows control of Startup Memory Tests ( 8.6 & newer only ) |
| |  |
