But you could issue commands to the VM hypervisor by prefixing your input with a special character, the default being a hashtag #.
Its not a hashtag, its a hash. A hash was around well before someone added bit to it for some social media platform.
Incidentally, since we call it a hash in the UK, but the Americans call it a pound and the social media companies are US based, why don't they call it a poundtag ?
Biting the hand that feeds IT
