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Basic Operating System

   Also found in: Acronyms, Wikipedia 0.02 sec.
(operating system)Basic Operating System - (BOS) An early IBM} operating system.

According to folklore, BOS was the predecessor to TOS on the IBM 360 and it was IPL'd from a card reader. It may have been intended for very small 360's with no disks and limited tape drives.

BOS died out really early s disks such as the 2311 and 2314 became common with the IBM 360, whereas disks had been a real luxury on the IBM 7090.


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But unlike all those other formats, this player has one big advantage: It's going to be part of the basic operating system for the dominant computer platform.
1 operating system, and 8 megabytes of RAM; for a network, the basic operating system would be Netware/NT, along with 16 megabytes of RAM and a minimum 2 gigabyte hard drive.
Quarterdeck products enhance Microsoft's DOS software, the basic operating system in about 70 million PCs worldwide.
 
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