Our mainframe is Linux and our Java Development Platform is a Ubuntu VM. I see more than I want of it although I have been toying taking a job after retirement where I just write bash scripts. The feds use them quite a bit.
I have to admit that I have too much time invested with photoshop, 3D design programs, video editing programs, and even Microsoft Office to make a full transition away from Windows.
Bash scripts remind me of a return to computing in the 70s and 80s with BASIC and the scripting language that came with Lotus 123 which I helped teach classes in when I had a work study job as a computer lab assistant in college.