REXX System Functions

• ADDRESS() --
  • returns the name of the current environment to which "host" commands are submitted
  • do not confuse with the ADDRESS keyword

• BEEP(frequency, duration) --
  • sounds the system speaker at "frequency" for "duration"
  • "frequency" range is 37-32,767 Hertz
  • "duration" range is 1-60,000 milliseconds

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