I am very much .com years old, plus some 😂...
The CS department at USyd was also fully SunOS/Solaris on Sparc when I started in 1999 (and at core this was still generally the case by the time I left in 2003, the key shift was workstations were mainly full Linux boxes by then rather than Tektronix "X terminals" running of the Sparc systems.)
I even got to work with Solaris pretty much through to the early 2000-n-teens....
Always wanted a SPARC box of my own but never got around to it. Thankfully I have managed to fight off the urge to become a retro computer hoarder. 😂