• The File Handlers Table:
    • The mapping of file extensions to the class to handle the file is stored in the file handlers table (REG.HANDLERS.FILE)
      nM> res reg.handlers.file
        T: REG.HANDLERS.FILE = Table of 34 entries
      20S:  TMP            = nxm.sys.lib.DataFile
      20S:  RAW            = nxm.sys.lib.BaseFile
      20S:  PRM            = nxm.sys.lib.DataFile
      20S:  PKT            = nxm.sys.lib.DataFile
      20S:  SET            = nxm.sys.lib.DataFile
      20S:  MCR            = nxm.sys.lib.DataFile
      20S:  DAT            = nxm.sys.lib.DataFile
      ...
    • The handlers table is extensible.
      • New file types and handlers can be added or previously defined file types overridden.