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51 lines
2.1 KiB
Markdown
51 lines
2.1 KiB
Markdown
# ITS Attractions
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**Maclisp** — historical Lisp for ITS and Multics, and the base
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for a family of dialects that consolidated as the Common Lisp standard.
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It was used to bootstrap **Scheme**.
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**SHRDLU** — infamous natural language input and block stacking
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robot simulation, written in Maclisp.
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**Lisp machines** — were bootstrapped from ITS and Maclisp.
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**C compiler** — written by Alan Snyder; possibly the first
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created outside Bell Labs.
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**Macsyma** — symbolic manipulation program that was written in
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Maclisp and made available to researchers on the Arpanet. Macsyma was
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so important a dedicated PDP-10 was purchased for it, not just once,
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but twice.
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**Emacs** — was developed on ITS as a set of **TECO** macros.
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**The Magic Switch** — a piece of hacker lore chronicled in Guy
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Steele's book *Hacker's Dictionary*. The book comes from the
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**JARGON** file.
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**Logo** — educational programming language began at BBN but
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greatly enhanced at MIT. ITS hosts many versions for the PDP-10,
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PDP-11, Apple II, etc. A **Small ITS** timesharing system was written
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to run Logo on a PDP-11/45. Marvin Minsky designed the **2500**, a
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dual text and vector display minicomputer for running Logo.
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**CLU** — a programming language by Barbara Liskov that
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introduced abstract data types way ahead of its times. The CLU group
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developed the first version of the X Window System.
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**Zork** — was written in **MDL**/**Muddle**, the major
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programming language on the Dynamic Modeling PDP-10. Zork was
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inspired by (**Colossal Cave**) **Advent**ure, which is also available
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on ITS. Together, the two games were instrumental in kicking off text
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adventure games and interactive fiction.
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**Maze** — 3D game, and possibly the first first-person shooter.
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**MacHack VI** — Greenblatt's chess program was the first
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computer program to play chess in human tournament competitions and be
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granted a chess rating.
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**Spacewar** — one of the first video games. First developed on
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a PDP-1 at MIT. ITS has a much updated PDP-6 version, and consoles
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made by **HAKMEM** author Mike Beeler.
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