I don ' t know anyone with a dos system in the early ' 80 s , lakini nilijua watu wengi wenye commodore 64 s , ti 99-4 as , apple iis , computer by tandy , na hata timex -- yote kwa mifumo ya uendeshaji wa mbali na tangamanifu .
Hakuna mtu alitumia dos katika ' 80 s .