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microsoft virus protectorThis article is about the family of closely related operating systems for the IBM PC compatible platform. For disk operating systems in the more general sense, see Disk operating system. For the similarly-named operating system for the System/360, see DOS/360. For other uses, see DOS (disambiguation). This screen shows the help information for the often-used MS-DOS dir command. Email Virus Disguised as Microsoft Update. DOS commonly uses a command line interface, in contrast to more modern operating systems which generally include a graphical user interface.DOS commonly refers to the family of closely related operating systems which dominated the IBM PC compatible market between 1981 and 1995 (or until about 2000, if Windows versions 95 and 98 are included) : PC-DOS, MS-DOS, FreeDOS, DR-DOS, Novell-DOS, OpenDOS, PTS-DOS, ROM-DOS and several others. They are single user, single task systems. MS-DOS from Microsoft was the most widely used. These operating systems ran on IBM PC type hardware using the Intel x86 CPUs or their compatible cousins from other makers. SpamCop Discussion > Spamcop after virus / spyware attack. MS-DOS is still common today and was the foundation for many of Microsoft's operating systems (from Windows V1. 00 through Windows Me). MS-DOS was later abandoned as the foundation for their operating systems. HistoryMS-DOS (and the IBM PC-DOS which was licensed therefrom), and its predecessor, QDOS, was an imitation of CP/M (Control Program / (for) Microcomputers) — which was the dominant operating system for 8-bit Intel 8080 and Zilog Z80 based microcomputers. It was first developed at Seattle Computer Products by Tim Patterson as a variant of CP/M-80 from Digital Research, but intended as an internal product for testing SCP's new 8086 CPU card for the S-100 bus. avast! Antivirus and Microsoft Platforms - avast! antivirus. It did not run on the 8080 (or compatible) CPU needed for CP/M-80. Home hsv virus human herpes virus human papilloma virus in men melissa virus mac and virus and protection lovegate virus removal loveletter anti virus loveletter virus clean loveletter virus cure loveletter as virus loveletter virus loveletter a virus loveletter mm virus microtrend online virus scan monkey pox virus mono virus murine leukemia virus nalle virus netspy virus nombres de virus informaticos sars virus computer virus list computer virus hoaxes computer virus infection download free anti virus scan computer virus protector computer virus and internet security computer associate virus protection computer spyware virus computer virus protection comparison spyware spyware remover |