You did, but made up for it with your Foxies!
I'll have to sift through these later since some actual work just came over the transom... my customary xfce desktop w/conky in this case on Fedora 28 (planning to upgrade RSN)...
Well, the windows may overlap but at least it's not fucking Windows.
I did look into running z/OS on Hercules a couple of years ago, simply because I enjoy messing around in a TSO/ISPF environment (sad, I know). Hercules is free - z/OS isn't but the internet is big, but it's really, really hard to implement and after I'd spent a couple of months looking at the logistics I decided against it.
There's a big market in second-hand mainframes. I have a friend who used to buy and sell them, some for parts, some for full installation and use.
Dual-boot with fucking Windows.
What'd be /really/ interesting is a look inside everyone's recycle bin.