This tar file contains the following directories. In these directories are _image files which are the TOPS-10 backup image files that held the other files in these directories. It includes binary files as well as source and documentation. backup/ the backup program which unpacked the following from from tape image files ftp/ FTP (Blue Book) which I wrote to interact with GEC m/cs imp/ IMP runtime library (Keith Farvis), IMP compiler (Peter Robertson) contains code from Hamish Dewar I believe. post/ (Grey book mail) which Keith Farvis wrote at the start of the JNT mail work tell/ a program to communicate events like tape mounting to the ops written by Tom Burtnett, Steve Fortune and Peter Dewolf of University of Illinois - would presumably need their permission (The tell directory is not published until I have made contact with the authors - Graham) Keith Farvis 26th April 2007