common /defalt/ node, dev, uic, name, ext

    byte node(NODESIZE)
    byte uic(UICSIZE)
    byte name(NAMESIZE)
    string dev(DEVSIZE) DEFAULT$DISK
    string ext(EXTSIZE) DEFAULT$EXT
    data node(1)/EOS/
    data uic(1)/EOS/
    data name(1)/EOS/