and mac os is bsdlinuxWhy not just link:
[no longer maintaining] macOS ISO Collection (10.10.5 - 13.0 developer seed) : Apple : Free Download, Borrow, and Streaming : Internet ArchiveThis is a collection of macOS's I have collected. I will upload each ISO one by one.Some of these versions do not work, the reviews seem to have a general idea...archive.org
Or, more accurately, what does this have to do with Linux?
Moved to off-topic.