English: Preamble of two version of the CTSS scheduler. The one written in MAD was typed in from an image of a listing, the lowercase is not in the image of the listing. The one written in FAD was created subsequent to the one written in MAD.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.