Screen

Options

 -A -[r|R]     Adapt all windows to the new display width & height.
 -c file       Read configuration file instead of .screenrc
 -d (-r)       Detach the elsewhere running screen (and reattach here).
 -dmS name     Start as daemon: Screen session in detached mode.
 -D (-r)       Detach and logout remote (and reattach here).
 -D -RR        Do whatever is needed to Reattach a screen session.
 -d -m         Start in "detached" mode. Useful for system startup scripts.
 -D -m         Start in "detached" mode, & don't fork a new process.
 -list         List our SockDir and do nothing else (-ls) 
 -r            Reattach to a detached screen process.
 -R            Reattach if possible, otherwise start a new session.
 -t title      Set title. (window's name).
 -U            Tell screen to use UTF-8 encoding.
 -x            Attach to a not detached screen. (Multi display mode).
 -X            Execute cmd as a screen command in the specified session.

Interactive commands (default key bindings):

Control-a ?    Display brief help
Control-a "    List all windows for selection
Control-a '    Prompt for a window name or number to switch to.
Control-a 0    Select window 0
Control-a 1    Select window 1
...            ...
Control-a 9    Select window 9
Control-a A    Accept a title name for the current window.
Control-a b    Send a break to window
Control-a c    Create new window running a shell
Control-a C    Clear the screen
Control-a d    Detach screen from this terminal.
Control-a D D  Detach and logout.
Control-a f    Toggle flow on, off or auto.
Control-a F    Resize the window to the current region size.
Control-a h    Write a hardcopy of the current window to file "hardcopy.n"
Control-a H    Begin/end logging of the current window to file "screenlog.n"
Control-a i    Show info about this window.
Control-a k    Kill (Destroy) the current window.
Control-a l    Fully refresh current window
Control-a M    Monitor the current window for activity {toggle on/off}
Control-a n    Switch to the Next window
Control-a N    Show the Number and Title of window
Control-a p    Switch to the Previous window
Control-a q    Send a control-q to the current window(xon)
Control-a Q    Delete all regions but the current one.(only)
Control-a r    Toggle the current window's line-wrap setting(wrap)
Control-a s    Send a control-s to the current window(xoff)
Control-a w    Show a list of windows (windows)
Control-a x    Lock this terminal (lockscreen)
Control-a X    Kill the current region(remove)
Control-a Z    Reset the virtual terminal to its "power-on" values
Control-a Control-\    Kill all windows and terminate screen(quit)
Control-a :    Enter command line mode(colon)
Control-a [    Enter copy/scrollback mode(copy)
Control-a ]    Write the contents of the paste buffer to stdin(paste)
Control-a _    Monitor the current window for inactivity {toggle on/off}
Control-a *    Show  a listing of all currently attached displays

References

screen man page