Read file foo below current line#:r foo
Read output of date command below current line#:r !date
Stop editing current file and edit file foo#:e foo
Stop editing current file, abandon changes, and edit file foo#:e! foo
Load last saved edition of current file#:e!
Return to most recently edited file#<ctrl>^ , :e<number sign>
Edit next file#:n
Rewind file list to start editing first file#:rew