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AT&T Archives: The UNIX Operating System

AT&T Tech Channel10 HN recommenders · recommended in 8 months, 2013–2026
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documentary · intro · evergreen · 2013–2026 on HN

A 1982 Bell Labs film hosted by Victor Vyssotsky on the origins and design philosophy of the UNIX operating system, with appearances by Kernighan, Thompson and Ritchie. It shows pipes, filters and a shell one-liner spell checker being built.

HN points people to it as the clearest primary-source explanation of Unix pipes and the small-tools philosophy, straight from the creators.

12 comments from Hacker News

@GNOMES2026-01 · in “The Unix Pipe Card Game”

This gets shared a ton, but the old Bell Labs video from 4:56 to 10:52 is still the best way I have seen pipes explained: ▶ this video

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@gftsantana2019-10 · in “Unix: A History and a Memoir, by Brian Kernighan”

> Recently I discovered the AT&T history channel, with this gem: ▶ this video I go back to this video every once in a while ever since I discovered it a few years ago. I just think it is super relaxing. When I first watched it, I was beginning to use Linux and, when I opened my terminal emulator, I was like: "It's a Unix system, I know this!" The pipelines explanation was incredibly clear. I also love the Computerphile episodes with professor Kernighan.

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@krmbzds2018-07 · in “The Shell Introduction I Wish I Had”

Nice guide. cd ~ command goes to home directory though, not root. I wish someone showed me the UNIX operating system introduction by Kernighan et al before anything else. It can be found in AT&T arhives: ▶ this video

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@shevy-java2026-02 · in “Kernighan on Programming”

One of the few living oldschool UNIX legends still alive. Here is when he was young: ▶ this video Kind of explains in an epic manner why pipes were useful back then. They are still useful, but computers are so much more powerful that many techniques back then came primarily because their computers were not as powerful. I still, oddly enough, prefer the hardware of the 1970s, 1980s, almost early 1990s too. Today's hardware is much better, but I am nowhere as interested in it; it is now just like a common tool.

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@rpigab2022-09 · in “Coffee with Brian Kernighan [video]”

bwk is awesome AT&T Archives: The UNIX Operating System : ▶ this video Coolest guy in this video, casually explaining pipes while resting his feet on the desk.

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