http://blog.csdn.net/pipisorry/article/details/39560583
Ubuntu 12.04 Keyboard shortcuts
Description
This shortcut key table can be seen by long pressing the Super key (Ubuntu under Super is the win key (CTR and ALT key)) (inadvertently pro-test effective)
The open window of the same application is merged, always press ALT + TAB, and then use the arrow keys to switch different windows
This page provides an overview of keyboard shortcuts that will allow you to use your desktop and applications more effectively. If you cannot use a mouse or other pointing device, view the keyboard navigation for more information about using the keyboard to navigate the user interface only.
Alt+f4 closes the current window.
Alt+f2 Popup command-line window (always run command line quickly)
ALT + TAB quickly switches between Windows. Hold down shift to reverse the sort.
ALT + ' Switch between programs that are selected in the same application's different windows or ALT + TAB, which uses the ', ' tab above the U.S. keyboard.
Super+s activates the workspace switcher. Reduce all workspaces.
Super+w activates the "Expo" mode. Displays all windows for the current workspace.
Shift+alt+↑ activates the "Expo" mode. Displays all windows for the current workspace.
The ctrl+alt+ arrow keys switch between workspaces.
The ctrl+alt+shift+ arrow key moves the current window to another workspace.
Ctrl+alt+delete logoff.
Ctrl+super+d hides all windows and displays the desktop. Press the button again to restore the window.
Ctrl+alt+l Lock the screen.
CTRL + A selects all text or items in the list.
Ctrl+x cuts (removes) the selected text or item and places it on the Clipboard.
CTRL + C copies the selected text or item and places it on the Clipboard.
CTRL + V Pastes the contents of the Clipboard.
CTRL + Z undo the most recent operation.
The Print screen gets the screens.
Alt+print screen gets the window.
Shift+print screen Gets an area on the display. The cursor changes to a cross. Tap and drag to select a region.
PS:
1. methods and tricks-special characters, middle-click Shortcut ...
2. desktops, apps and Windows-Introduction, keyboard shortcuts, Windows, installing additional software ...
3. keyboard-keyboard layout, cursor blinking, keyboard accessibility ...
See Also
1. What is the Super key? - Super Key provides access to Dash and launcher. You can usually find it next to the keyboard's Alt key.
2. screen-Take a picture of what is displayed on the screen.
3. set the keyboard layout- define or modify keyboard shortcuts in the keyboard settings item.
4. keyboard Navigation- Click and move the mouse pointer without a mouse
from:http://blog.csdn.net/pipisorry/article/details/39560583
Ref
Ubuntu 12.04 LTS keyboard Shortcuts (RPM)
Ubuntu Gnome shortcut keys
Linux keyboard shortcuts