How do I run multiple background commands in bash in a single line?

Question

I normally run multiple commands with something like this:

sleep 2 && sleep 3

or

sleep 2 ; sleep 3

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Answer 1

You need to add some parens in your last version --

(sleep 2 &) && (sleep 3 &)

or this also works --

(sleep 2 &) ; (sleep 3 &)