C-x b blah : Reopen blah buffer. With Ido, the minibuffer suggests a list of possible buffers.C-x C-b: List all the buffers. See Ibuffer for improvements.M-x eval-buffer: Eval buffer. Useful to reload .emacs after having modified it.C-x C-q: Toggle read-only.Ibuffer is a mode that lets you manage buffers in a very similar way that Dired lets you manage files.
To use Ibuffer when listing all the buffers, add the following to your init file:
(defalias 'list-buffers 'ibuffer)