Control operations: 1 = Dimensions of the edit field and window (REDIM, INIT, RESIZE) 2 = Selecting the path for data (CD, DISK key, DISK) 3 = Selecting variables and observations (VARS,MASK,SELECT,IND,CASES) 4 = Output control 5 = Operating system (OS) commands 6 = Time measurement (TIME) 7 = Code conversions (CODES) 8 = Moving the cursor to another line (GOTO, - lines) 9 = WAIT W = Window management S = Changing the Survo system parameters (SURVO.APU file) T = Tutorial mode and sucros (TUTOR, TUTLOAD, TUTSAVE) Q = Selecting inquiry files (QPATH) J = Desktop functions (by Kimmo Vehkalahti) M = Creating menus for job control V = Playback of sound files (PLAY SOUND) O = Other control operations E = more information on the Survo Editor