imho (!)

idk ... but i have to admit, i'm a bit baffled right now:

afaik: linux is a unix-like operating system ...

first sentence / first line:

* https://en.wikipedia.org/wiki/Linux

* https://en.wikipedia.org/wiki/Unix-like

so the answer is: all of them ...

and the medium sized businesses, and the SOHO businesses and every private person which uses the internet!?

just my 0.02€