[CTX] [ALL]
DGROOT parameter    ==  DGROOT=dirPath
                    --  default: if ${STARTDIR}/DGROOT exists then use it, or
                                  on Unix: '/' if CHROOT is set or
                                           '${HOME}/delegate' or
                                           '/var/spool/delegate-${OWNER}' or
                                           '/tmp/delegate-${OWNER}'
                               on Windows: '/Program Files/DeleGate'