File|New
Create a new plain image.
File|Open
Open an existing image.
File|Save
Save the current image.
File|Save As
Save the current image under a
new name, and make the newly named image the current image.
File|Quit
Terminate the program. You will be
given the chance to save any unsaved changes.
If there are numbered files, these are recently opened files. Choosing one of them will cause it to be opened and to become the current image.