Analysis of information sources in references of the Wikipedia article "Unix" in English language version.
UNIX was created by software developers for software developers, to give themselves an environment they could completely manipulate.
The best thing about UNIX is its portability. UNIX ports across a full range of hardware—from the single-user $5000 IBM PC to the $5 million Cray. For the first time, the point of stability becomes the software environment, not the hardware architecture; UNIX transcends changes in hardware technology, so programs written for the UNIX environment can move into the next generation of hardware.
a good case can be made that [UNIX] is in essence a modern implementation of MIT's CTSS system
Perhaps the most important watershed occurred during 1973, when the operating system kernel was rewritten in C.
When Unix was created and when it formed its cultural values, there were no end users.
The right to use the UNIX Trademark requires the Licensee to pay to The Open Group an additional annual fee, calculated in accordance with the fee table set out below.
UNIX is plural. It is not one operating system but, many implementations of an idea that originated in 1965.
That then led to Unics (the castrated one-user Multics, so- called due to Brian Kernighan) later becoming UNIX (probably as a result of AT&T lawyers).
a good case can be made that [UNIX] is in essence a modern implementation of MIT's CTSS system
Perhaps the most important watershed occurred during 1973, when the operating system kernel was rewritten in C.
The right to use the UNIX Trademark requires the Licensee to pay to The Open Group an additional annual fee, calculated in accordance with the fee table set out below.
UNIX is plural. It is not one operating system but, many implementations of an idea that originated in 1965.
