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It still remains a phenomenon
Much of the progress of computer hardware, software and networks during the last quarter century can be traced to the influence the UNIX system had on the computer industry. It embodies visionary ideas -- deliberate generality and openness -- that continue to be a strong force today. Many of its approaches and notations have influenced the entire span of subsequent operating systems.
"Thirty years after its creation, UNIX still remains a phenomenon," Ritchie marveled.
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![[ UNIX building blocks ]](images/86-300838-EM.jpeg)