Time Reshared

Exploring time-sharing operating systems

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© 2025 Rupert Lane

    Compatible Time-sharing System

    Sun, Dec 29, 2024 The Compatible Time-sharing System main page
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    CTSS: A quick tour using s709

    Sun, Jan 5, 2025 How to get CTSS running and a quick guide on how to use it.
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    The IBM 7094

    Sun, Jan 12, 2025 About the machine that ran CTSS - for its time, big, fast and expensive.
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    Early software on the IBM 7x

    Sun, Jan 26, 2025 How operating systems and development environments evolved on the IBM 7x line.
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    The CTSS supervisor

    Sun, Feb 2, 2025 The supervisor, at the heart of CTSS, controls the machine and provides access to its users.
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    CTSS: Files and directories

    Sun, Feb 9, 2025 All about how disk storage works on CTSS
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    CTSS: Commands

    Sun, Feb 16, 2025 Commands provided by CTSS
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    CTSS: Getting data in and out

    Sun, Feb 23, 2025 How to extract data from CTSS, and how to upload files.
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    CTSS: ED and friends: online editors

    Sun, Mar 2, 2025 See how to edit text files on CTSS using EDC and EDL
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    CTSS: RUNCOM and FIB: scripting and background jobs

    Sun, Mar 9, 2025 Using the RUNCOM scripting facility and the FIB foreground-in-background job submitter on CTSS
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    CTSS: Programming

    Sun, Mar 16, 2025 An overview of programming languages and tools on CTSS
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    CTSS: MAD language

    Sun, Mar 23, 2025 The MAD programming language on CTSS
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    CTSS: Fortran II translator

    Sun, Mar 30, 2025 The Fortran II programming language on CTSS, which is handled by a translator to MAD.
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    CTSS: Lisp

    Sun, Apr 6, 2025 The Lisp 1.5 programming language on CTSS.
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    CTSS: Assembly Language

    Sun, Apr 13, 2025 A quick look at some of the features of assembly language programming on the IBM 7x series.
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    CTSS: Security

    Sun, Apr 27, 2025 CTSS was one of the first operating systems to consider computer security, introducing the login/password and the concept of access control to user files.
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    CTSS: The "." shell, chat and email

    Sun, May 4, 2025 A shell inspired by Multics, plus early email and chat.
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    CTSS: Document production with TYPSET and RUNOFF

    Sun, May 11, 2025 An early way to produce documents on CTSS.
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