How to upgrade Ubuntu 16 To 18 Terminal==Simple P3

 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).

Use the arrow keys to quickly access previously run 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 ` on US keyboards, where the ` key is above Tab. On all other keyboards, the shortcut is Super plus the key above Tab.

Alt+Esc
    

Switch between windows in the current workspace. Hold down Shift for reverse order.

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.

Super+A
    

Show the list of applications.

Super+Page Up

and

Super+Page Down
    

Switch between workspaces.

Shift+Super+Page Up

and

Shift+Super+Page Down
    

Move the current window to a different workspace.

Shift+Super+←
    

Move the current window one monitor to the left.

Shift+Super+→
    

Move the current window one monitor to the right.

Ctrl+Alt+Delete
    

Show the Power Off dialog.

Super+L
    

Lock the screen.

Super+V
    

Show the notification list. Press Super+V again or Esc to close.