Xphoon, DECwindows, Display moon in X root window Building Building Xphoon should be really easy. Just execute make.com and everything else should be taken care of automatically. The procedure auto-detectes the available C-compiler and Xwindows version and then proceedes to rebuild xphoon from the sources. No options and/or user inputs are required. This should work on both OpenVMS Alpha and VAX. Usage Simply running Xphoon puts a picture of the moon according to the current date into the root window of your X server. The phase of the moon is taken into account for this. If you do want to get regular updates on these write a short script executing Xphoon repeatedly in the background at regular intervalls. The latest version of this document should always be accessible via http://zinser.no-ip.info/vms/sw/xphoon.htmlx