I do, but that’s mostly because an old boss of mine did it, thought it was hilarious, and now I do too, because of the in joke

Chown, rhymes with bone.

I deconstruct all commands when used in spoken word, so I pronounce it “change ownership”. I also call ls, “list“ and cd “change directory”. For some reason this completely confuses and disorients everyone in the room.

I do, I tend to pronounce it rhyming with “clown”

Like “see-age-own”? I’d pronounce it “ch-(like in change)-own”.