1.)  Windows Hotkeys

• Ctrl + Escape or Win:
  Display start menu. 
• Shift + F10 or AppsKey:
  Display context menu.
• Win + E: Open Windows
  Explorer.
• Win + R: Open Run
  dialog.
• Win + M: Minimize all
  windows.
• Win + Shift + M: Undo
  minimize all windows.
• Win + D: Toggle
  minimize all windows. or toggle desktop view, using Show_Desktop.scf, while
  MinimizeAllWindows doesn’t minimize dialog boxes (including Properties
  windows).’.
• Windows Hotkeys:
  Activate system tray. Arrow keys select, Enter double-clicks, and AppsKey or
  Shift + F10 right-clicks.
• Win + L (XP Only):
  Locks keyboard. Similar to Lock Workstation.
• Win + F or F3: Open
  Find dialog. (All Files) F3 may not work in some applications which use F3
  for their own find dialogs.
• Win + Control + F: Open
  Find dialog. (Computers)
• Win + U: Open Utility
  Manager.
• Win + F1: Open Windows
  help.
• Win + Pause: Open
  System Properties dialog.
• Win + Tab: Cycle
  through taskbar buttons. Enter clicks, AppsKey or Shift + F10 right-clicks.
• Win + Shift + Tab:
  Cycle through taskbar buttons in reverse.
• Alt + Tab: Display
  CoolSwitch. More commonly known as the AltTab dialog.
• Alt + Shift + Tab:
  Display CoolSwitch; go in reverse.
• Alt + Escape: Send
  active window to the bottom of the z-order.
• Alt + Shift + Escape:
  Activate the window at the bottom of the z-order.
• Alt + F4: Close active
  window; or, if all windows are closed, open shutdown dialog.
• Shift while a CD is loading:
  Bypass AutoPlay.
• Shift while login:
  Bypass startup folder. Only those applications will be ignored which are in
  the startup folder, not those started from the registry (Microsoft\Windows\CurrentVersion\Run\) 
• Ctrl + Alt + Delete or Ctrl +
  Alt + NumpadDel (Both NumLock states): Invoke the Task Manager or
  NT Security dialog.
• Ctrl + Shift + Escape (2000/XP )
  or (Ctrl + Alt + NumpadDot) : Invoke the task manager. On earlier
  OSes, acts like Ctrl + Escape.
• Printscreen: Copy
  screenshot of current screen to clipboard.
• Alt + Printscreen: Copy
  screenshot of current active window to clipboard.
• Ctrl + Alt + Down Arrow:
  Invert screen. Untested on OSes other than XP.
• Ctrl + Alt + Up Arrow:
  Undo inversion.
• Win + B : Move focus to
  systray icons. 
   

  2.)  Generic

• Ctrl + C or Ctrl + Insert:
  Copy.
• Ctrl + X or Shift + Delete:
  Cut.
• Ctrl + V or Shift + Insert:
  Paste/Move.
• Ctrl + N: New… File,
  Tab, Entry, etc.
• Ctrl + S: Save.
• Ctrl + O: Open…
• Ctrl + P: Print.
• Ctrl + Z: Undo.
• Ctrl + A: Select all.
• Ctrl + F: Find…
• Ctrl+W : to close the
  current window
• Ctrl + F4: Close tab or
  child window.
• F1: Open help.
• F11: Toggle full screen
  mode.
• Alt or F10: Activate
  menu bar.
• Alt + Space: Display
  system menu. Same as clicking the icon on the titlebar.
• Escape: Remove focus
  from current control/menu, or close dialog box.  

3.)  Generic Navigation

• Tab: Forward one item.
• Shift + Tab: Backward
  one item.
• Ctrl + Tab: Cycle
  through tabs/child windows.
• Ctrl + Shift + Tab:
  Cycle backwards through tabs/child windows.
• Enter: If a button’s
  selected, click it, otherwise, click default button.
• Space: Toggle items
  such as radio buttons or checkboxes.
• Alt + (Letter):
  Activate item corresponding to (Letter). (Letter) is the underlined letter
  on the item’s name.
• Ctrl + Left: Move
  cursor to the beginning of previous word.
• Ctrl + Right: Move
  cursor to the beginning of next word.
• Ctrl + Up: Move cursor
  to beginning of previous paragraph. This and all subsequent Up/Down hotkeys
  in this section have only been known to work in RichEdit controls.
• Ctrl + Down: Move
  cursor to beginning of next paragraph.
• Shift + Left: Highlight
  one character to the left.
• Shift + Right:
  Highlight one character to the right.
• Shift + Up: Highlight
  from current cursor position, to one line up.
• Shift + Down: Highlight
  from current cursor position, to one line down.
• Ctrl + Shift + Left:
  Highlight to beginning of previous word.
• Ctrl + Shift + Right:
  Highlight to beginning of next word.
• Ctrl + Shift + Up:
  Highlight to beginning of previous paragraph.
• Ctrl + Shift + Down:
  Highlight to beginning of next paragraph.
• Home: Move cursor to
  top of a scrollable control.
• End: Move cursor to
  bottom of a scrollable control.

4.)  Generic File Browser

• Arrow Keys: Navigate.
• Shift + Arrow Keys:
  Select multiple items.
• Ctrl + Arrow Keys:
  Change focus without changing selection. “Focus” is the object that will run
  on Enter. Space toggles selection of the focused item.
• (Letter): Select first
  found item that begins with (Letter).
• BackSpace: Go up one
  level to the parent directory.
• Alt + Left: Go back one
  folder.
• Alt + Right: Go forward
  one folder.
• Enter: Activate
  (Double-click) selected item(s).
• Alt + Enter: View
  properties for selected item.
• F2: Rename selected
  item(s).
• Ctrl + NumpadPlus: In a
  Details view, resizes all columns to fit the longest item in each one.
• Delete: Delete selected
  item(s).
• Shift + Delete: Delete
  selected item(s); bypass Recycle Bin.
• Ctrl while dragging item(s):
  Copy.
• Ctrl + Shift while dragging
  item(s): Create shortcut(s).In tree pane, if any:
  
• Left: Collapse the
  current selection if expanded, or select the parent folder.
• Right: Expand the
  current selection if collapsed, or select the first subfolder.
• NumpadAsterisk: Expand
  currently selected directory and all subdirectories. No undo.
• NumpadPlus: Expand
  currently selected directory.
• NumpadMinus: Collapse
  currently selected directory.

5.)  Accessibility

• Right Shift for eight seconds:
  Toggle FilterKeys on and off. FilterKeys must be enabled.
• Left Alt + Left Shift +
  PrintScreen: Toggle High Contrast on and off. High Contrast must be
  enabled.
• Left Alt + Left Shift + NumLock:
  Toggle MouseKeys on and off. MouseKeys must be enabled.
• NumLock for five seconds:
  Toggle ToggleKeys on and off. ToggleKeys must be enabled.
• Shift five times:
  Toggle StickyKeys on and off. StickyKeys must be enabled.

6.)  Microsoft Natural Keyboard with IntelliType Software Installed

• Win + L: Log off
  Windows.
• Win + P: Open Print
  Manager.
• Win + C: Open control
  panel.
• Win + V: Open
  clipboard.
• Win + K: Open keyboard
  properties.
• Win + I: Open mouse
  properties.
• Win + A: Open
  Accessibility properties.
• Win + Space: Displays
  the list of Microsoft IntelliType shortcut keys.
• Win + S: Toggle
  CapsLock on and off. 

7.)  Remote Desktop Connection Navigation

• Ctrl + Alt + End: Open
  the NT Security dialog.
• Alt + PageUp: Switch
  between programs.
• Alt + PageDown: Switch
  between programs in reverse.
• Alt + Insert: Cycle
  through the programs in most recently used order.
• Alt + Home: Display
  start menu.
• Ctrl + Alt + Break:
  Switch the client computer between a window and a full screen.
• Alt + Delete: Display
  the Windows menu.
• Ctrl + Alt + NumpadMinus:
  Place a snapshot of the entire client window area on the Terminal server
  clipboard and provide the same functionality as pressing Alt + PrintScreen
  on a local computer.
• Ctrl + Alt + NumpadPlus:
  Place a snapshot of the active window in the client on the Terminal server
  clipboard and provide the same functionality as pressing PrintScreen on a
  local computer.

8.)  Mozilla Firefox Shortcuts

• Ctrl + Tab or Ctrl + PageDown:
  Cycle through tabs.
• Ctrl + Shift + Tab or Ctrl +
  PageUp: Cycle through tabs in reverse.
• Ctrl + (1-9): Switch to
  tab corresponding to number.
• Ctrl + N: New window.
• Ctrl + T: New tab.
• Ctrl + L or Alt + D or F6:
  Switch focus to location bar.
• Ctrl + Enter: Open
  location in new tab.
• Shift + Enter: Open
  location in new window.
• Ctrl + K or Ctrl + E:
  Switch focus to search bar.
• Ctrl + O: Open a local
  file.
• Ctrl + W: Close tab, or
  window if there’s only one tab open.
• Ctrl + Shift + W: Close
  window.
• Ctrl + S: Save page as
  a local file.
• Ctrl + P: Print page.
• Ctrl + F or F3: Open
  find toolbar.
• Ctrl + G or F3: Find
  next…
• Ctrl + Shift + G or Shift + F3:
  Find previous…
• Ctrl + B or Ctrl + I:
  Open Bookmarks sidebar.
• Ctrl + H: Open History
  sidebar.
• Escape: Stop loading
  page.
• Ctrl + R or F5: Reload
  current page.
• Ctrl + Shift + R or Ctrl + F5:
  Reload current page; bypass cache.
• Ctrl + U: View page
  source.
• Ctrl + D: Bookmark
  current page.
• Ctrl + NumpadPlus or Ctrl +
  Equals (+/=): Increase text size.
• Ctrl + NumpadMinus or Ctrl +
  Minus: Decrease text size.
• Ctrl + Numpad0 or Ctrl + 0:
  Set text size to default.
• Alt + Left or Backspace:
  Back.
• Alt + Right or Shift + Backspace:
  Forward.
• Alt + Home: Open home
  page.
• Ctrl + M: Open new
  message in integrated mail client.
• Ctrl + J: Open
  Downloads dialog.
• F6: Switch to next
  frame. You must have selected something on the page already, e.g. by use of
  Tab.
• Shift + F6: Switch to
  previous frame.
• Apostrophe (‘): Find
  link as you type.
• Slash (/): Find text as
  you type. 

9.)  GMail

Note: Must have “keyboard
shortcuts” on in settings.

• C: Compose new message.
• Shift + C: Open new
  window to compose new message.
• Slash (/): Switch focus
  to search box.
• K: Switch focus to the
  next most recent email. Enter or “O” opens focused email.
• J: Switch focus to the
  next oldest email.
• N: Switch focus to the
  next message in the “conversation.” Enter or “O” expands/collapses messages.
• P: Switch focus to the
  previous message.
• U: Takes you back to
  the inbox and checks for new mail.
• Y: Various actions
  depending on current view:Has no effect in “Sent” and “All Mail” views. 
  • Inbox: Archive email or message. 
  • Starred: Unstar email or message. 
  • Spam: Unmark as spam and move back to “Inbox.” 
  • Trash: Move back to “Inbox.” 
  • Any label: Remove the label.
• X: “Check” an email.
  Various actions can be performed against all checked emails.
• S: “Star” an email.
  Identical to the more familiar term, “flagging.”
• R: Reply to the email.
• A: Reply to all
  recipients of the email.
• F: Forward an email.
• Shift + R: Reply to the
  email in a new window.
• Shift + A: Reply to all
  recipients of the email in a new window.
• Shift + F: Forward an
  email in a new window.
• Shift + 1 (!): Mark an
  email as spam and remove it from the inbox.
• G then I: Switch to
  “Inbox” view.
• G then S: Switch to
  “Starred” view.
• G then A: Switch to
  “All Mail” view.
• G then C: Switch to
  “Contacts” view.
• G then S: Switch to
  “Drafts” view. 

10.)  List of F1-F9 Key Commands for the Command Prompt

• F1 / right arrow:
  Repeats the letters of the last command line, one by one.
• F2: Displays a dialog
  asking user to “enter the char to copy up to” of the last command line
• F3: Repeats the last
  command line
• F4: Displays a dialog
  asking user to “enter the char to delete up to” of the last command line
• F5: Goes back one
  command line
• F6: Enters the
  traditional CTRL+Z (^z)
• F7: Displays a menu
  with the command line history
• F8: Cycles back through
  previous command lines (beginning with most recent)
• F9: Displays a dialog
  asking user to enter a command number, where 0 is for first command line
  entered.
• Alt+Enter: toggle
  fullScreen mode.
• up/down: scroll
  thru/repeat previous entries
• Esc: delete lineNote: The buffer allows a maximum of 50
  command lines. After this number is reached, the first line will be replaced
  in sequence.