alt Hacker NewsFrom Microsoft’s POV they soundly beat Unix in the 1990s because they were primarily focused on the GUI workstation market.
In 1991 the market for high-end desktop software like engineering, video editing and 3D modeling tools was dominated by Unix and classic Mac. In 1999 all of those applications were on Windows NT.
Vendors like Autodesk and Avid were building for Windows first. New graphics acceleration hardware targeted PC add-on cards rather than being exclusive to a workstation vendor (SGI tried this approach with their NT box and it flopped).
In retrospect it was just commercial Unix that had lost the game, but it wasn’t obvious at the time that Linux could reclaim this market. And Mac OS X was considered by many a doomed project (after all Apple had been promising a new OS for the entire ‘90s, nobody knew how deeply the NeXT acquisition would transform the company).
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Yeah, even in like 1996/1997 for certain industries there were hints as to the way things were going, even if it took 4/5 years for the transition to fully take place.
For example, in 1996/1997, Digital Domain (VFX industry) used a 'render farm' cluster of Carrera Alpha workstations running NT to render the Titanic film, instead of SGIs running IRIX. (SGIs were still often used on the artists workstations though, but progressively that shifted).
By 2001, many of those machines were x86 which were then often as fast as the SGIs and Alphas, even with x86's stack-based floating point architecture which handicapped it a bit, and the significantly higher memory bandwidth and larger caches of the SGIs.
Engineering never went completely to Windows NT.
Between 1997 and 2007, I worked at 3 different companies, in 3 different countries (2 in Europe + Israel) as Design Engineer in electronics.
All the serious engineering programs for EDA/CAD were run on Solaris and accessed from Windows with X-terminal programs.
Towards the end of that decade, the Opteron-based servers were both much faster and much cheaper than the Sun servers or the Fujitsu servers, so the EDA/CAD programs were migrated from Solaris to Linux, while the Windows computers continued to run only the X-terminal programs for accessing the servers.
At the beginning of that decade, I also used a Sun workstation, but those disappeared after 1999, because they were much too slow in comparison with a PC with Intel Pentium III or with AMD Athlon.
It is likely that the reason why those EDA/CAD programs did not have Windows versions at that time was that they already required a lot of memory, typically much more than 4 GB, so they migrated from Solaris to Linux only after the availability of x86-64 servers, while having a Windows version was not possible before mid 2006, when Intel joined AMD in providing 64-bit CPUs even for PCs, not only for servers, so the market share of 64-bit PCs became non-negligible.