Adobe Photoshop CS3 Keys for viewing images keyboard shortcuts keys

Shortcut                                                            Command
Ctrl + Tab	Cycles through open documents
Shft-Ctrl-W	Close a file in Photoshop and open Bridge
Q	Toggle between Standard mode and Quick Mask mode
F	Toggle (forward) between Standard screen mode,Maximized screen mode, Full screen mode, and Full screen mode with menu bar
Shft F	Toggle (backward) between Standard screen mode, Maximized screen mode, Full screen mode, and Full screen mode with menu bar
Space + F	Toggle (forward) canvas color (or right-click canvas background and select color)
Space + Shft + F	Toggle (backward) canvas color
Double-click Hand tool	Fit image in window
Double-click Zoom tool	Magnify 100%
Spacebar	Switch to Hand tool (when not in text-edit mode) in Adobe Photoshop
Ctrl + spacebar	Switch to Zoom In tool
Alt + spacebar	Switch to Zoom Out tool
Spacebar-drag	Move Zoom marquee while dragging with the Zoom tool
Shft + Enter in Navigator palette zoom percentage box	Apply zoom percentage, and keep zoom percentage box active
Ctrl-drag over preview in Navigator palette	Zoom in on specified area of an image
Spacebar-drag, or drag view area box in Navigator palette	Scroll image with Hand tool in Adobe Photoshop
Page Up or Page Down	Scroll up or down 1 screen
Shft + Page Up or Page Down	Scroll up or down 10 units
Home or End	Move view to upper left corner or lower right corner
\ (backslash)	Toggle layer mask on/off as rubylith (layer mask must be selected)