Useful keyboard shortcuts
This page provides an overview of keyboard shortcuts that can help you use your desktop and applications more efficiently. If you cannot use a mouse or pointing device at all, see Keyboard navigation for more information on navigating user interfaces with only the keyboard.
Getting around the desktop
Alt+F1 or the Super key
Switch between the Activities overview and desktop. In the overview, start typing to instantly search your applications, contacts, and documents.
Alt+F2
Pop up command window (for quickly running commands)
Super+Tab
Quickly switch between windows. Hold down Shift for reverse order.
Super+
Switch between windows from the same application, or from the selected application after Super+Tab.
This shortcut uses key is above Tab. On all other keyboards, the shortcut is Super plus the key above Tab..
Ctrl+Alt+Tab
Give keyboard focus to the top bar. In the Activities overview, switch keyboard focus between the top bar, dash, windows overview, applications list, and search field. Use the arrow keys to navigate.
It is not currently possible to use the arrow keys to navigate the windows overview. To switch windows, exit the overview and use Super+Tab and Super+
Super+A
Show the list of applications.
Super+Page Up and Super+Page Down
Switch between workspaces.
Super+Shift+Page Up and Super+Shift+Page Down
Move the current window to a different workspace.
Ctrl+Alt+Delete
Log out.
Ctrl+Alt+L
Lock the screen.
Super+M
Open the message tray. Press Super+M again or Esc to close.
Common editing shortcuts
Capturing from the screen
More Information
Desktop, apps & windows — Introduction, keyboard shortcuts, calendar, notifications…
Keyboard — Keyboard layouts, cursor blinking, keyboard accessibility…
Tips & tricks — Special characters, middle click shortcuts…
See Also
Keyboard navigation — Use applications and the desktop without a mouse.
Set keyboard shortcuts — Define or change keyboard shortcuts in Keyboard settings.
What is the Menu key? — The Menu key launches a context menu with the keyboard rather than with a right-click.
What is the Super key? — The Super key opens the activities overview. You can usually find it next to the Alt key on your keyboard.
Cheatsheets
Today, was working on iptables, and accidently mistyped and typed in iptab..well found a pretty nifty tool. Nothing fancy but should save me from using google to look up CIDR info
+———————————————-+
| addrs  bits  pref  class mask           |
+———————————————-+
|Â Â Â Â 1Â Â Â Â Â 0Â Â Â /32Â Â Â Â Â Â Â Â Â 255.255.255.255 |
|Â Â Â Â 2Â Â Â Â Â 1Â Â Â /31Â Â Â Â Â Â Â Â Â 255.255.255.254 |
|Â Â Â Â 4Â Â Â Â Â 2Â Â Â /30Â Â Â Â Â Â Â Â Â 255.255.255.252 |
|Â Â Â Â 8Â Â Â Â Â 3Â Â Â /29Â Â Â Â Â Â Â Â Â 255.255.255.248 |
|Â Â Â 16Â Â Â Â Â 4Â Â Â /28Â Â Â Â Â Â Â Â Â 255.255.255.240 |
|Â Â Â 32Â Â Â Â Â 5Â Â Â /27Â Â Â Â Â Â Â Â Â 255.255.255.224 |
|Â Â Â 64Â Â Â Â Â 6Â Â Â /26Â Â Â Â Â Â Â Â Â 255.255.255.192 |
|Â Â 128Â Â Â Â Â 7Â Â Â /25Â Â Â Â Â Â Â Â Â 255.255.255.128 |
|Â Â 256Â Â Â Â Â 8Â Â Â /24Â Â Â Â Â 1CÂ 255.255.255.0Â Â |
|Â Â 512Â Â Â Â Â 9Â Â Â /23Â Â Â Â Â 2CÂ 255.255.254.0Â Â |
|Â Â Â 1KÂ Â Â Â 10Â Â Â /22Â Â Â Â Â 4CÂ 255.255.252.0Â Â |
|Â Â Â 2KÂ Â Â Â 11Â Â Â /21Â Â Â Â Â 8CÂ 255.255.248.0Â Â |
|Â Â Â 4KÂ Â Â Â 12Â Â Â /20Â Â Â Â 16CÂ 255.255.240.0Â Â |
|Â Â Â 8KÂ Â Â Â 13Â Â Â /19Â Â Â Â 32CÂ 255.255.224.0Â Â |
|Â Â 16KÂ Â Â Â 14Â Â Â /18Â Â Â Â 64CÂ 255.255.192.0Â Â |
|Â Â 32KÂ Â Â Â 15Â Â Â /17Â Â Â 128CÂ 255.255.128.0Â Â |
|Â Â 64KÂ Â Â Â 16Â Â Â /16Â Â Â Â Â 1BÂ 255.255.0.0Â Â Â Â |
|Â 128KÂ Â Â Â 17Â Â Â /15Â Â Â Â Â 2BÂ 255.254.0.0Â Â Â Â |
|Â 256KÂ Â Â Â 18Â Â Â /14Â Â Â Â Â 4BÂ 255.252.0.0Â Â Â Â |
|Â 512KÂ Â Â Â 19Â Â Â /13Â Â Â Â Â 8BÂ 255.248.0.0Â Â Â Â |
|Â Â Â 1MÂ Â Â Â 20Â Â Â /12Â Â Â Â 16BÂ 255.240.0.0Â Â Â Â |
|Â Â Â 2MÂ Â Â Â 21Â Â Â /11Â Â Â Â 32BÂ 255.224.0.0Â Â Â Â |
|Â Â Â 4MÂ Â Â Â 22Â Â Â /10Â Â Â Â 64BÂ 255.192.0.0Â Â Â Â |
|Â Â Â 8MÂ Â Â Â 23Â Â Â Â /9Â Â Â 128BÂ 255.128.0.0Â Â Â Â |
|Â Â 16MÂ Â Â Â 24Â Â Â Â /8Â Â Â Â Â 1AÂ 255.0.0.0Â Â Â Â Â Â |
|Â Â 32MÂ Â Â Â 25Â Â Â Â /7Â Â Â Â Â 2AÂ 254.0.0.0Â Â Â Â Â Â |
|Â Â 64MÂ Â Â Â 26Â Â Â Â /6Â Â Â Â Â 4AÂ 252.0.0.0Â Â Â Â Â Â |
|Â 128MÂ Â Â Â 27Â Â Â Â /5Â Â Â Â Â 8AÂ 248.0.0.0Â Â Â Â Â Â |
|Â 256MÂ Â Â Â 28Â Â Â Â /4Â Â Â Â 16AÂ 240.0.0.0Â Â Â Â Â Â |
|Â 512MÂ Â Â Â 29Â Â Â Â /3Â Â Â Â 32AÂ 224.0.0.0Â Â Â Â Â Â |
| 1024MÂ Â Â Â 30Â Â Â Â /2Â Â Â Â 64AÂ 192.0.0.0Â Â Â Â Â Â |
| 2048MÂ Â Â Â 31Â Â Â Â /1Â Â Â 128AÂ 128.0.0.0Â Â Â Â Â Â |
| 4096MÂ Â Â Â 32Â Â Â Â /0Â Â Â 256AÂ 0.0.0.0Â Â Â Â Â Â Â Â |
+———————————————-+
[table id=13 /]
