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systems:3rd_edition [2026/04/30 09:58] segalocosystems:3rd_edition [2026/04/30 10:07] (current) segaloco
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 **Release Date:** February, 1973\\ **Release Date:** February, 1973\\
 **Released By:** Bell Labs Research\\ **Released By:** Bell Labs Research\\
-**Source Code: ** some source code is in the [[http://www.tuhs.org/Archive/Distributions/Research/Dennis_v3/|Unix Archive]], browsable in the [[http://www.tuhs.org/cgi-bin/utree.pl?file=V3|Unix Tree]]\\ +**Source Code: ** some source code is in the [[https://www.tuhs.org/Archive/Distributions/Research/Dennis_v3/|Unix Archive]], browsable in the [[https://www.tuhs.org/cgi-bin/utree.pl?file=V3|Unix Tree]]\\ 
-**Documentation: ** [[http://www.tuhs.org/Archive/Distributions/Research/Dennis_v3/v3man.tar.gz|3rd Edition man pages]]+**Documentation: ** [[https://www.tuhs.org/Archive/Distributions/Research/Dennis_v3/v3man.tar.gz|3rd Edition man pages]]
  
 The Third Edition of Unix was the last version with a kernel still written in assembly code, but is the first version to include pipes. More specifically, the Third Edition kernel targets the PDP-11/45 hardware including making use of protection and extended arithmetic features. For much of 1973, the existing Third Edition was maintained and improved, while the kernel was rewritten in C to become the [[systems:4th_edition|Fourth Edition]] of Unix. The Third Edition of Unix was the last version with a kernel still written in assembly code, but is the first version to include pipes. More specifically, the Third Edition kernel targets the PDP-11/45 hardware including making use of protection and extended arithmetic features. For much of 1973, the existing Third Edition was maintained and improved, while the kernel was rewritten in C to become the [[systems:4th_edition|Fourth Edition]] of Unix.
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   * "HIS Documentation" - Author unknown, referenced in gerts(III)   * "HIS Documentation" - Author unknown, referenced in gerts(III)
  
-For more information about Third Edition Unix, see [[http://cm.bell-labs.com/cm/cs/who/dmr/hist.html|The Evolution of the Unix Time-sharing System]] by Dennis Ritchie.+For more information about Third Edition Unix, see [[https://www.nokia.com/bell-labs/about/dennis-m-ritchie/hist.html|The Evolution of the Unix Time-sharing System]] by Dennis Ritchie.
  
systems/3rd_edition.txt · Last modified: by segaloco