First, do some reading. A lot of reading.
Second, they're not called kernels, they're called TTY's.
Since I'm feeling nice, use [CTRL]+[ALT]+[F1-7] to switch. I'd say try googling next time, but it's difficult to get a useful search result when you don't know what you're talking about/looking for.
switch TTY linux - Google Search



).
We are the right people
