PERSON@1 used the notion of `` viral '' licensing terms to express his concern over the fact that the GNU General Public License -LRB- ORGANIZATION@1 -RRB- license employed by such software requires that all derivative software be under the ORGANIZATION@1 or a compatible license .

PERSON@1 used the term `` viral '' licensing terms to show his worry that the GNU General Public License -LRB- ORGANIZATION@1 -RRB- license forced by such software requires that all software made from it be under the ORGANIZATION@1 or a compatible license .
