1.DBG> DEFINE X = INARR, Y = OUTARR
      DBG> DELETE X,Y

      In this example, the DEFINE command defines X and Y as global
      symbols corresponding to INARR and OUTARR, respectively. The
      DELETE command deletes these two symbol definitions from the
      global symbol table.

    2.DBG> DELETE/ALL/LOCAL

      This command deletes all local symbol definitions from the
      current command procedure.