What three artifacts are created as a result of running the JeOS tool?

A.
a System.img file representing the operating system

B.
optional image files as specified in the command

C.
a README file with product name, version number and build timestamp

D.
a vm.cfg file pointing to the created images, along with specified memory and CPU information

E.
a tar.gz file with all of the images, README and vm.cfg files compressed