What is the correct way to pluralize an acronym?
I was answering something on Super User and wrote
OSes as part of my normal flow without really thinking about it. On a re-read I decided that it didn't look right, so I changed it to
OSs, which still felt incorrect. I also considered
OS's, but that didn't feel right either, so I thought I'd ask on here.
In this specific case, what is the written plural form for
The intention is to mean multiple
And, is there a general rule for the plural form of an initialism that ends with the letter S?