PCAA> SHOW SYMBOL/DEFINED *
  Defined commands:
    P = "PLOT/NOZERO/DESCENDING"
    BSGB = "SET FILTER FUM PROGRAM_ADDRESS=MUMBLE_FRATZ"

      This SHOW SYMBOL command displays the definitions of all
      symbols defined using DEFINE/COMMAND. Only two symbols, P and
      BSGB, are defined. Their names and definitions are displayed.

  PCAA> SHOW SYMBOL/ADDRESS SCALE
   Module SCALE, language PASCAL
    Address range: 00000200 to 00000297
   Routine SCALE\SCALE
    Address range: 00000200 to 0000020B

      This SHOW SYMBOL command is used to display address ranges of
      any program unit named SCALE.