Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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  OCT$                     ◄OCT$ Function►
  OFF                      ◄OFF Keyword - Different Uses►
  ON                       ◄ON Keyword►
  ON COM                   ◄ON COM Statement►
  ON ERROR                 ◄ON ERROR Statement►
  ON Event                 ◄ON Event Statements►
  ON KEY                   ◄ON KEY Statement►
  ON PEN                   ◄ON PEN Statement►
  ON PLAY                  ◄ON PLAY Statement►
  ON SIGNAL                ◄ON SIGNAL Statement►
  ON STRIG                 ◄ON STRIG Statement►
  ON TIMER                 ◄ON TIMER Statement►
  ON UEVENT                ◄ON UEVENT Statement►
  ON...GOSUB               ◄ON...GOSUB, ON GOTO Statements►
  ON...GOTO                ◄ON...GOSUB, ON GOTO Statements►
  OPEN COM                 ◄OPEN COM Statement►
  OPEN (File I/O)          ◄OPEN Statement (File I/O)►
                           ◄INSERT Statement►
                           ◄RETRIEVE Statement►
                           ◄UPDATE Statement►
  OPTION BASE              ◄OPTION BASE Statement►
  Options, BC command-
    line                   ◄BC Command Line►
  Options, QBX command-
    line                   ◄QBX Command Line►
  OR logical operator      ◄OR Operator►
  OUT                      ◄OUT Statement►
  OUTPUT                   ◄OUPUT Keyword►