screen shortcuts

Key Action Notes
Ctrl+a c new window  
Ctrl+a n next window I bind F12 to this
Ctrl+a p previous window I bind F11 to this
Ctrl+a " select window from list I have window list in the status line
Ctrl+a Ctrl+a previous window viewed  
     
Ctrl+a S split terminal horizontally into regions Ctrl+a c to create new window there
Ctrl+a | split terminal vertically into regions Requires screen >= 4.1
Ctrl+a :resize resize region  
Ctrl+a :fit fit screen size to new terminal size Ctrl+a F is the same. Do after resizing xterm
Ctrl+a :remove remove region Ctrl+a X is the same
Ctrl+a tab Move to next region  
     
Ctrl+a d detach screen from terminal Start screen with -r option to reattach
Ctrl+a A set window title  
Ctrl+a x lock session Enter user password to unlock
Ctrl+a [ enter scrollback/copy mode Enter to start and end copy region. Ctrl+a ] to leave this mode
Ctrl+a ] paste buffer Supports pasting between windows
Ctrl+a > write paste buffer to file useful for copying between screens
Ctrl+a < read paste buffer from file useful for pasting between screens
     
Ctrl+a ? show key bindings/command names Note unbound commands only in man page
Ctrl+a : goto screen command prompt up shows last command entered

Source: http://www.pixelbeat.org/lkdb/screen.html