Windows NT Vs Unix As An Operating System

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Term Paper Title	Windows NT Vs Unix As An Operating System
# of Words	4506
# of Pages (250 words per page double spaced)	18.02

Windows NT vs Unix As An Operating System

Windows NT vs Unix As An Operating System

In the late 1960s a combined project between researchers at MIT, Bell Labs and
General Electric led to the design of a third generation of computer operating
system known as MULTICS (MULTiplexed Information and Computing Service). It was
envisaged as a computer utility, a machine that would support hundreds of
simultaneous timesharing users. They envisaged one huge machine providing
computing power for everyone in Boston. The idea that machines as powerful as
their GE-645 would be sold as personal computers costing only a few thousand
dollars only 20 years later would have seemed like science fiction to them.
However MULTICS proved more difficult than imagined to implement and Bell Labs
withdrew from the project in 1969 as did General Electric, dropping out of the
computer business altogether.

One of the Bell Labs researchers (Ken Thompson) then decided to rewrite a
stripped down version of MULTICS, initially as a hobby. He used a PDP-7
minicomputer that no was using and wrote the code in assembly. It was initially
a stripped down, single user version of MULTICS but Thompson actually got the
system to work and one of his colleagues jokingly called it UNICS (UNiplexed
Information and Computing Service). The name stuck but the spelling was later
changed to UNIX. Soon Thompson was joined on the project by Dennis Richie and
later by his entire department.

UNIX was moved from the now obsolete PDP-7 to the much more modern PDP-11/20 and
then later to the PDP-11/45 and PDP-11/70. These two latter computers had large
memories as well as memory protection hardware, making it possible to support
multiple users at the same time. Thompson then decided to rewrite UNIX in a
high-level language called B. Unfortunately this attempt was not successful and
Richie designed a successor to B called C. Together, Thompson and Richie rewrote
UNIX in C and subsequently C has dominated system programming ever since. In
1974, Thompson and Richie published a paper about UNIX and this publication
stimulated many universities to ask Bell Labs for a copy of UNIX. As it happened
the PDP-11 was the computer of choice at nearly all university computer science
departments and the operating systems that came with this computer was widely
regarded as being dreadful and hence UNIX quickly came to replace them. The
version that first became the standard in universities was Version 6 and within
a few years th...

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