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