Unix became popular because it was a) quite decently designed, b) portable and c) sort-of open source. A whole generation of computer science students (and their teachers) was able to hack into it, ...

In the 1990s and well into the 2000s, if you had mission-critical applications that required zero downtime, resiliency, failover and high performance, but didn’t want a mainframe, Unix was your go-to ...

All the proprietary Unixes are now either dead, dying, or stuck in dead-end niches. IMHO the battle between free and proprietary Unix is not over, and proprietary is making a huge comeback thanks to ...