On Thu, Jun 11, 2009 at 02:10:18PM -0600, M. Warner Losh wrote: Most of the following is in http://www.tuhs.org/Archive/PDP-11/Distributions/research/ v1: full kernel source on paper, which has been scanned in and brought back to life with the v2 user-mode binaries (see below) v2: paper copy of Programmers Manual is scanned in, some binary user-mode executables and bits of user-mode source code, no kernel anything v3: machine readable copy of Programmers Manual, nothing else just before v4: kernel source in C, aka the 'nsys' kernel v4: machine readable copy of Programmers Manual, nothing else v5: bootable disk image with full source and binaries, NO machine readable copy of the Programmers Manual, but there is a paper copy of the UPM which I have not yet scanned in. v6: bootable disk image with full source and binaries, machine readable copy of the Programmers Manual v7: bootable disk image with full source and binaries, machine readable copy of the Programmers Manual Cheers, Warren