v6
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unix research-unix v6
Installing and Using Unix V6 in the Open SIMH PDP-11 Emulator
This note details the process of building a working v6 instance from a copy of the original tape distribution. The v6 instance runs in a virtual PDP-11/40 provided by OpenSIMH, a masterwork emulator.
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unix research-unix v6
Updated and expanded Lions v6 source v1.4
This is an updated and expanded tweaked version of John Lions work, UNIX OPERATING SYSTEM SOURCE CODE LEVEL SIX. It includes the actual source code from v6 and various helps - TOC, alphabetical listing, and where the files live in a running system as well as several different kinds of cross references.
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unix research-unix v6
Tweaked version of Lions for Printing and Viewing
This is a tweaked version of John Lions work, UNIX OPERATING SYSTEM SOURCE CODE LEVEL SIX. It includes the actual source code from v6 and various helps - TOC, alphabetical listing, and where the files live in a running system.
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unix research-unix v6
v6 Bootable Tape
A note describing how to boot from Dennis Rithchie's v6 disk-set. It shows two methods, one that builds a bootable tape from scratch, and another that extracts the bootblock of a running v6 system.
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unix research-unix v6
Hello, World! in Assembly on Research Unix Version 6
A note demonstrating the process of assembling and running a simple hello, world Unix assembly language application on Research Unix Sixth Edition. It's short and sweet, but gets the job done!
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unix research-unix v6
Adding tar to Research Unix Version 6 Running on a PDP 11/40 in SimH
This note explains an approach to getting a working version of tar running on Research Unix Version 6 (v6) running in a SimH PDP-11/40 Simulator.
NOTE: After working at this for a bit, it is clear to me that while this is workable as a solution to move files from v6 to v7, it is not workable as a true tar for v6. The program has difficulty with directories, timestamps and such when working natively on v6. The issues are not with the instructions outlined below, but rather with limitations of the original program as delivered with v7. More investigation is required to understand its limitations.
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unix research-unix v6
Installing and Using Research Unix Version 6 in SimH PDP-11/40 Emulator
This note is intended to document the process of running v6 in a PDP-11/40 emulated environment. A subsequent note covers [v7]({% post_url 2015-12-07-installing-and-using-research-unix-v7-in-simh-pdp-11-45-and-70-emulators-rev-1.0 %})