My friend had one of those, I had an IBM PC. I was mocked by people for having a "business computer." Hehehe!!!
I type on her commodore once I made mistake on that I wasn't used it but I remember Commodore 64 so vidently my mom hands used get stuck in between keyboard spaces they were so big
She prefer today computer I think she didn't have deal with Commodoare 64 if you type to fast some of them get stuck on keyboard in motion that what she told me
My mom is very fast typist I time at her back in 1980s at 100 wpm it probably went down she retired probably 60 wpm sometime she go on my computer she go BADA BING