History of Unix
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Questions and Answers

What language was Unix rewritten prior to 1973?

  • Assembler
  • Fortran
  • C++ (correct)
  • COBOL
  • Who created the Unix-based OS called Linux in 1991?

  • Tim Cook
  • Linus Torvalds (correct)
  • Bill Gates
  • Steve Jobs
  • What did the use of C as the programming language for Unix lead to?

  • Increased portability (correct)
  • Increased complexity
  • Decreased efficiency
  • Decreased portability
  • Which statement is true about Unix-based OSes today?

    <p>They are popular in servers, workstations, and mobile devices</p> Signup and view all the answers

    What concept did the UNIX OS bring along with it?

    <p>Computer processes and device files</p> Signup and view all the answers

    Who were the key individuals that led the team in developing the Unix operating system?

    <p>Ken Thompson and Dennis Ritchie</p> Signup and view all the answers

    Which programming language was one of the first to be used in writing Unix?

    <p>Assembly language</p> Signup and view all the answers

    What project did Bell Labs, General Electric, and MIT attempt to develop before focusing on Unix?

    <p>Multics Project</p> Signup and view all the answers

    Which of the following components did NOT form part of the foundation for the Unix operating system?

    <p>Graphical User Interface (GUI)</p> Signup and view all the answers

    What is Ken Thompson's current position according to the text?

    <p>Distinguished Engineer at Google</p> Signup and view all the answers

    Study Notes

    Unix Programming Language History

    • Unix was rewritten in the C programming language prior to 1973.
    • The choice of C for rewriting Unix enhanced its flexibility, portability, and efficiency.

    Creation of Linux

    • Linus Torvalds created the Unix-based operating system known as Linux in 1991.

    Impact of C on Unix

    • The use of C as the programming language for Unix led to its adaptability across various hardware platforms, aiding its widespread adoption.

    Current State of Unix-Based OSes

    • Today, Unix-based operating systems are widely used in servers, mainframes, and personal computers, showcasing their enduring legacy and relevance.

    Concept Introduced by Unix

    • The Unix operating system introduced the concept of multiuser capabilities, allowing multiple users to access and utilize system resources simultaneously.

    Key Figures in Unix Development

    • Ken Thompson and Dennis Ritchie were pivotal in the development of the Unix operating system, leading the efforts at Bell Labs.

    Early Programming Languages for Unix

    • Assembly language was one of the first programming languages utilized in the writing of Unix.

    Early Unix Development Project

    • Before focusing on Unix, Bell Labs, General Electric, and MIT attempted to develop the Multics project, which ultimately influenced Unix's design.

    Unix Foundation Components

    • Components that did not form part of the Unix operating system foundation include elements from unrelated systems, indicating Unix's unique architecture.

    Ken Thompson's Current Position

    • Ken Thompson holds a position at Google, contributing his expertise to ongoing technological developments.

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    Description

    Test your knowledge on the history and evolution of Unix, from its inception in assembler language to being rewritten in C. Learn about the portability of Unix across different computing platforms and the creation of a Unix-based OS by Linus Torvalds in 1991.

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