systems:2nd_edition
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systems:2nd_edition [2023/05/20 16:50] – add revisions between manuals segaloco | systems:2nd_edition [2023/05/20 17:07] – fix links segaloco | ||
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**Release Date:** June 12, 1972\\ | **Release Date:** June 12, 1972\\ | ||
**Released By:** Bell Labs Research\\ | **Released By:** Bell Labs Research\\ | ||
- | **Source Code: ** some source code is in the [[http:// | + | **Source Code: ** some source code is in the [[https:// |
- | **Documentation: | + | **Documentation: |
The second edition of Unix was developed for the PDP-11 at Bell Labs by Ken Thompson, Dennis Ritchie and others. It extended the First Edition with more system calls and more commands. This edition also saw the beginning of the C language, which was used to write some of the commands. | The second edition of Unix was developed for the PDP-11 at Bell Labs by Ken Thompson, Dennis Ritchie and others. It extended the First Edition with more system calls and more commands. This edition also saw the beginning of the C language, which was used to write some of the commands. | ||
- | The code in the Unix Archive is only the source to some of the commands, some of the library functions, and the C compiler. The files in c/ come from the [[http:// | + | The code in the Unix Archive is only the source to some of the commands, some of the library functions, and the C compiler. The files in c/ come from the [[https:// |
The files in lib/ come from the libc.sa file which is on the last1120c.tar.gz tape, and form the C library for the compiler. | The files in lib/ come from the libc.sa file which is on the last1120c.tar.gz tape, and form the C library for the compiler. | ||
- | The files in cmd/ are recreated from the text fragments found on the file [[http:// | + | The files in cmd/ are recreated from the text fragments found on the file [[https:// |
Another archive, [[https:// | Another archive, [[https:// | ||
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* The UNIX Time-sharing System - D.M. Ritchie, K. Thompson | * The UNIX Time-sharing System - D.M. Ritchie, K. Thompson | ||
- | For more information about Second Edition Unix, see [[http://cm.bell-labs.com/ | + | For more information about Second Edition Unix, see [[https://www.bell-labs.com/ |
systems/2nd_edition.txt · Last modified: 2023/05/23 08:17 by segaloco