3 ms·Could also be that some people only used Macs or Linux or Unix or iPads.by thejosh 13y agoCould also be that some people only used Macs or Linux or Unix or iPads.dsr_ 13y agoI hope that's a joke. In case it isn't: IBM PC predates all of those except UNIX (and you wouldn't think much of the pre-1980 UNIXen); CP/M, which originated the standard, comes from 1973.trimbo 13y agoSure, but the Mac came out in 1984. And don't forget the Apple II and C64.