This paper presents a real-time and multi-task processing system developed on IBM PC-DOS (or MS-DOS) which is a single user and single-task operating system.

本文介绍了在IBM PC的单用户单任务磁盘操作系统IBM PC—DOS或MS-DOS基础上实现的一种适用于各种监控系统的实时多任务系统。

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Examples of assembly language software you may be familiar with are IBM PC DOS and the spreadsheet program Lotus 1-2-3.

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Those companies were able to clone the IBM PC because IBM made the mistake of allowing its partner, Microsoft, to license a virtually identical version of its PC-DOS operating system to any takers.

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Because different companies use different operating systems, Symbol makes products based on the Palm (nasdaq: PALM - news - people) OS, Microsoft 's (nasdaq: MSFT - news - people) Pocket PC platform, Windows CE and DOS. What these products have in common is their durability.

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