Let's review each of the keyboard shortcuts and commands we've discussed so far:
Zoom shortcuts:
- No modifier key = click to zoom in; click and drag to zoom into a specific area
- Ctrl-+ (plus sign) (Win) / Cmd-+ (plus sign) (Mac) = zoom in
- Double click the Zoom tool = zoom to 100% magnification
- Ctrl-Alt-0 (Win) / Cmd-Option-0 (Mac) = zoom to 100% magnification
- Double click the Hand tool = zoom to fit the screen
- Ctrl-0 (Win) / Cmd-0 (Mac) = zoom to fit the screen
- Alt (Win) /Option with zoom tool = click to zoom out
- Ctrl-- (minus sign) (Win)/ Cmd-- (minus sign) (Mac) = zoom out
- Type any number into the status bar magnification level display.
Opening a File:
- File > Open
- Ctrl-O (Win) / Cmd-O (Mac)
- Click the Open button on the Shortcut Bar
Other Shortcuts:
- D = resets the foreground color to black and background color to white.
- X = swap foreground and background colors.
- M = marquee tool
- Shift-M = toggle rectangular and elliptical marquee tools


