An O.S. can be an operating system as well as this type of software like Firefox, GIMP & Thunderbird
[DOC] [TLE] And Then Bill Gates Said - Astrodigital [PAR] Linux, GIMP, OpenOffice, Firefox, Thunderbird, are all major software projects 
without ... Bill Said: "I believe OS/2 is destined to be the most important operating 
system, and ... Bill Said: "We will never make a 32-bit operating system, but I'll 
always love IBM.