Vim FAQ: I've opened multiple files in Vim; how do I move to the next file?
When you have multiple files open, to move to the next file in Vim, use this command:
(Just think of "next", and you can remember this Vim command.)
Or, if you want to save your changes to your current file and also move to the next file, use this Vim command:
This Vim command means "write the current file to disk, and move to the next file".
I hope these "Vim next file" examples have been helpful.