They all run on freeBSD which is UNIX and still alive and relevant. … There are also other UNIX operating systems still in use today like Solaris, AIX, HP-UX running on servers and also routers from Juniper Networks. So yes… UNIX is still very relevant.

Is Unix 2020 still used?

Yet despite the fact that the alleged decline of UNIX keeps coming up, it’s still breathing. It’s still widely used in enterprise data centers. It’s still running huge, complex, key applications for companies that absolutely, positively need those apps to run.

Is Linux still relevant?

Linux, the widely used open source operating system (OS), is a foundational technology and the basis for some of the most progressive modern computing ideas. So, while it’s startlingly unchanged after three decades of development, it also allows adaptation.