To summarize:
^C - Cease program immediately
^O - Output suppress
^Q - Qontinue output
^R - Redisplay line
^S - Stop output
^T - Tells what's happening
^U - Undoes line being typed in
^W - Word deletion
? - what?s expected here
DEL - DELetes one character
ESC - rESCognitiion invoked
Ok, good luck...