1.DBG> EXTRACT SRC

      This command writes all the lines in display SRC into file
      SYS$DISK:[]DEBUG.TXT.

    2.DBG> EXTRACT/APPEND OUT [JONES.WORK]MYFILE

      This command appends all the lines in display OUT to the end of
      file [JONES.WORK]MYFILE.TXT.

    3.DBG> EXTRACT/SCREEN_LAYOUT

      This command writes the debugger commands needed to reconstruct
      the screen into file SYS$DISK:[]DBGSCREEN.COM.