buffer-notes.txt

:h hidden
    - allows you to keep buffers open

:ls
    - lists open buffers

:b (:buffer)
    - edit buffer N from list (jump between buffers)
    - can also use :Nb for buffer number N

Ctrl-6 or Ctrl-^
    - switch to previous buffer

:bd (:bdelete)
    - buffer delete (makes buffer unloaded)

:ls!
    - lists all buffers (including hidden ones)

:bw (:bwipeout)
    - completely unloads a buffer from memory

BufExplorer
    - cool buffer plugin

BufOnly
    - :BO clears all but current buffer

Related stuff:
    - :bufdo - execute command on buffers
    - jumplist - navigating between buffers and such
    - marks

:bn and :bp (:bnext, :bprevious)
    - switches buffers sequentially