There is already a correct explanation of these keys three paragraphs
above.
but doing it when you're not sure where else your screen might be
attached has privacy implications.
-##Switching Between Screen Sessions
-C-a C-a allows you to switch between screen sessions incrementally. If you have created 3 screen sessions and find your self at the 0th one, then C-a C-a will put you in the 1st screen session, then C-a C-a again will put you in the 2nd one. You can also move around in the screen session by using C-a [index number]. Such that C-a[1] would accomplish the same thing as C-a C-a when you were on the 0th window.
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## For More Information
`screen` can do lots of stuff. If you have a while to burn, run
`man screen` at the shell prompt. It may be helpful to do this
inside of `screen` so you can put it down and come back to it later.
-
-## TODO
-clean up, explain the "C-a C-a" notation better.