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...