
One reason for the success of Unix is that it has always been regarded as an
operating system that is worse than others in many respects. It was never used
for any so-called serious work, as such tasks were usually left to industrial-
strength commercial operating systems. Unix typically occupied the lower
echelon of hardware configurations instead. It found a home on the minicom
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puter, a machine that lacked the brute force of a large mainframe, but was
powerful enough for more mundane work. Since minicomputers were typi
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cally used for less important tasks, it didn’t make sense for hardware vendors
to invest lots of money in minicomputer operating ...