1 PanOS Startup and Utilities v1.1 1985 Acorn Computers 2 PanOS System v1.1 1985 Acorn Computers 3 FORTRAN 77 (PanOS) v1.1 1985 Acorn Computers 4 ISO PASCAL (PanOS) v1.1 1985 Acorn Computers 5 C (PanOS) v1.1 1985 Acorn Computers 6 Cambridge LISP (PanOS) v1.1 1985 Acorn Computers 7 Welcome Programs v1.1 1985 Acorn Computers 1 PanOS Startup and Utilities v1.4 1985 Acorn Computers 2 PanOS System v1.4 1985 Acorn Computers 3 FORTRAN 77 (PanOS) v1.4 1985 Acorn Computers 4 ISO PASCAL (PanOS) v1.4 1985 Acorn Computers 5 C (PanOS) v1.4 1985 Acorn Computers 6 Cambridge LISP (PanOS) v1.4 1985 Acorn Computers 7 Welcome Programs v1.4 1985 Acorn Computers