e, operating system> (FOSIL) A portable {job control language} for {IBM} {OS360}, {UNIVAC} {eXeC 8} and {Honeywell} ef="module.php?name=Lexikon&file=search&eid=1&query=GCOS">GCOS. ["Fredette' s Operating System Interface Language (FOSIL)", G.N. Baird in Command Languages, C. Unger ed, N-H 1973]. (2000-08-06)