Screen

• C-a : = Go in command mode, where it’s possible to insert commands as with Vi
• C-a n & C-a p = Go to the next or previous window
• C-a S = Open a new region in the current window
• C-a Tab = Switches between regions
• C-a X = Kill the current region
• C-a s = Freeze the current window
• C-a q = Reactivate the current window
• C-a Esc = Start copying mode. To start copying, press <Space> to mark the beginning point of the selection area, move with the hjkl keys and press <Space> again to end the selection
• C-a ] = Paste last selection in the paste buffer