Desktop shortcuts

Desktop shortcuts		Bitmap Bitmap
Action	Windows XP/Windows Vista	Mac OS
File menu	Alt+F
Edit menu	Alt+E
View menu	Alt+V
Undo the last operation	Ctrl+Z	? Cmd+Z
Redo the last operation	Ctrl+Y	? Cmd+? Shift+Z
Cut the selected area and store it in the clipboard	Ctrl+X, or ? Shift+Del	? Cmd+X
Copy the selected area into the clipboard	Ctrl+C, or Ctrl+Ins	? Cmd+C
Paste contents of clipboard at cursor	Ctrl+V, or ? Shift+Ins	? Cmd+V
Select everything in focused control or window	Ctrl+A	? Cmd+A
Delete selection	Del	Backspace (Delete)
Display the selected object's properties/information window.	Alt+Enter	? Cmd+I
Show help	F1	F1, ? Cmd+?
Documents
Action	Windows XP/Windows Vista	Bitmap Bitmap Mac OS
Create a new document	Ctrl+N	? Cmd+N
Open a document	Ctrl+O	? Cmd+O
Save the current document	Ctrl+S	? Cmd+S
Print the current document	Ctrl+P	? Cmd+P
Close the current document	varies [1]	? Cmd+W
Zoom in on the document	Ctrl+Click Wheel (Scroll)	? Cmd+? Shift+= (? Cmd++),? Cmd+=
Zoom out of the document	Ctrl+Click Wheel (Scroll)	? Cmd+-
Reload the current document, updating content from source if necessary	F5, Ctrl+R	? Cmd+R
Text editing		Bitmap Bitmap
Action	Windows XP/Windows Vista	Mac OS
previous word	Ctrl+←	? Opt+←
next word	Ctrl+→	? Opt+→
previous line break	Ctrl+↑	? Opt+↑
next line break	Ctrl+↓	? Opt+↓
selecting next word	? Shift + Ctrl + →	? Shift + ? Opt + →
selecting previous word	? Shift + Ctrl + ←	? Shift + ? Opt + ←
Web browsers
Action	Windows XP/Windows Vista	Bitmap Bitmap Mac OS
Bookmarks menu	Alt+B	Cmd+Opt+B
Add a bookmark for the current location	Ctrl+D	Cmd+D
Manage bookmarks	Ctrl+B	Cmd+Opt+B (Safari)
Reload page from cache	F5	Cmd+R
Reload page bypassing cache	Ctrl+F5	Shift+Cmd+R
Go menu
Action	Windows XP/Windows Vista	Bitmap Bitmap Mac OS
Go to Browser		Cmd+L
Go to the previous location in history	Alt+← or Backspace(Internet Explorer)	Cmd+[ or Cmd+←
Go to the next location in history	Alt+→	Cmd+] or Cmd+→
Go up one level in the navigation hierarchy	Alt+↑(Vista only) or Backspace(Windows Explorer)	Cmd+↑
Go to the starting page defined by the user or application	Alt+Home	Cmd+Home
Go back a page		Cmd+{
Text formatting		Bitmap Bitmap
Action	Windows XP/Windows Vista	Mac OS
Make selected text bold/regular	Ctrl+B	Cmd+B
Toggle underlining of selected text	Ctrl+U	Cmd+U
Make selected text italic/regular	Ctrl+I	Cmd+I
Change to upper/lower case	Shift+F3	? Opt+Cmd+C
Window management
Action	Windows XP/Windows Vista	Bitmap Bitmap Mac OS
Switch to next/previous focused window	Alt+Tab / Shift+Alt+Tab	Cmd+Tab / Shift+Cmd+Tab
Switch focus to the next/previous window (without dialog)	Alt+Esc / Shift+Alt+Esc	Ctrl+F4 or Cmd+`
Switch focus to the next/previous panel on the desktop
Switch focus to the next/previous panel (without dialog)
Pop up window menu	Alt+Space
Close the focused window	Alt+F4 or Ctrl+F4 or Alt+Space then C or Ctrl + W	Cmd+W
Restore the focused window to its previous size
Move the focused window	Alt+Space then M then Arrow Keys
Resize the focused window	Alt+Space then S then Arrow Keys
Minimize the focused window	Alt+Space then N	Cmd+M
Maximize the focused window	Alt+Space then X
Maximize horizontally
Maximize vertically
Minimize all	Win+M	Cmd+Alt+M
Undo minimize all	Shift+Win+M
Switch fullscreen/normal size	F11
Show the window in full screen mode, with no border, menubar, toolbar or statusbar		Depends on application
Rollup/down window		Cmd+M
Move window to left/right/up/down workspace	win+ctrl+arrow keys
Move window to desktop X
Switch to next/previous desktop		Fn+Right / Fn+Left (Leopard)
Switch to next/previous desktop list
Go to desktop X
Go to left/right/up/down desktop
Show / hide desktop	Win+D	F11
Activate window demanding attention
Kill window	Alt+F4 or Ctrl+F4 varies [1]	Cmd+Alt+Esc
Close dialog	Esc	Esc
Widget navigation		Bitmap Bitmap
Action	Windows XP/Windows Vista	Mac OS
Moves keyboard focus to next/previous control	Tab / Shift+Tab
Pop up tooltip for currently-focused control	Shift+F1
Show context-sensitive help for currently-focused window or control	Shift+F1	Cmd+?
Give focus to next/previous pane	Ctrl+F6 / Alt+F6	Cmd+`
Give focus to splitter bar in paned window
Give focus to window's menu bar	F10 or Alt	Ctrl+F2
Pop up contextual menu for currently-selected objects	Shift+F10 or Menu
Toggle selected state of focused checkbox, radio button, or toggle button	Space	Space
Activate focused button, menu item etc.	Enter	Enter
Select/move to first/last item in selected widget
Scroll selected view by one page up/left/down/right
Tab management
Action	Windows XP/Windows Vista	Bitmap Bitmap Mac OS
Create new tab	Ctrl+T	Cmd+T
Close current tab	Ctrl+W
Go to next/previous tab	Ctrl+Tab / Ctrl+Shift+Tab	Cmd+{ / Cmd+} or Cmd+Shift+Left / Cmd+Shift+Right (Safari)
Desktop navigation		Bitmap Bitmap
Action	Windows XP/Windows Vista	Mac OS
Run new application	Win+R
Open new browser window with same page as current	Ctrl+N	Cmd+N (Non-default user option in Safari)
Start menu / Applications menu	Win or Ctrl+Esc	Cmd+Shift+A
Copy a screenshot to clipboard	Print Screen or Ctrl+Print Screen	Cmd+Ctrl+Shift+3 (Cmd+Shift+3 to create as a file on the desktop)
Copy a screenshot of window to clipboard	Alt+Print Screen	Cmd+Ctrl+Shift+4 then Space (Cmd+Shift+4 to create as a file on the desktop)
Lock desktop	Win+L or Ctrl+Alt+Space
Show desktop	Win+D	F11
Switch active user	Win+L [2]
Task manager	Ctrl+Shift+Esc, Ctrl +Alt+Delete[3]	Cmd+Opt+Esc
Rename file	F2	Enter
Command line shortcuts
Below is a list of common keyboard shortcuts that are used in a command line environment.
Action	Windows (Cmd.exe)	Unix/Linux/Mac OS X (bash)
Scroll through History of typed commands	↑/↓	↑/↓
Signal end-of-file	Ctrl+Z	Ctrl+D
Abort current command/typing	Ctrl+C	Ctrl+C
Erase word to the left		Ctrl+W
Erase word to the right		Alt+D
Erase line to the left	Esc	Ctrl+U
Erase line to the right	Esc	Ctrl+K
Move one word to the left (backward)	Ctrl+←	Alt+B
Move one word to the right (forward)	Ctrl+→	Alt+F
Move to beginning of line	Home	Ctrl+A
Move to end of line	End	Ctrl+E
Reverse search of history	F7	Ctrl+R
Send current job to the background		Ctrl+Z
Autocomplete command/file name	Tab ? (if enabled eg. via TweakUI)	Tab ? (usually twice)