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xv6

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xv6
xv6 startup, and using the "ls" command
DeveloperMIT
Written inC
OS familyUnix-like
Source modelOpen source
Latest releaserev8 / August 29, 2014; 9 years ago (2014-08-29)
Available inEnglish
Platformsmultiprocessor Intel x86
Kernel typeMonolithic
Default
user interface		Command-line interface
LicenseMIT license
Official websitehttp://pdos.csail.mit.edu/6.828/2014/xv6.html

xv6 is a modern reimplementation of Sixth Edition Unix in ANSI C for multiprocessor x86 systems. It is used for pedagogical purposes in MIT's Operating Systems Engineering (6.828) course.

Purpose

Unlike Linux or BSD, xv6 is simple enough to cover in a semester, yet still contains the important concepts and organization of Unix.[1] Rather than study the original V6 code, the course uses xv6 since PDP-11 machines are not widely available and the original operating system was written in archaic pre-ANSI C.[1]

Self-documentation

One feature of the Makefile for xv6 is the option to produce a PDF of the entire source code listing in a readable format. The entire printout is only 97 pages, including cross references.[2] This is reminiscent of the original V6 source code, which was published in a similar form in Lions' Commentary on UNIX 6th Edition, with Source Code.

Educational use

xv6 has also been used in operating systems courses at University of Illinois at Chicago,[3] Rutgers University,[4] Northeastern University,[5] Yale University,[6] Columbia University,[7] Ben-Gurion University,[8] Johns Hopkins University,[9] Tsinghua University,[10] the University of Wisconsin-Madison,[11] the University of Utah,[12] [13] IIT Madras in India, the Linnaeus University[14] in Sweden, the University of Otago[15] in New Zealand, the National University of Córdoba[16] and the National University of Río Cuarto,[17] in Argentina, the Università degli Studi di Palermo[18] in Italy and the Federal University of Minas Gerais[19] in Brazil.

References

  1. ^ a b "Xv6, a simple Unix-like teaching operating system". Retrieved 2014-09-22.
  2. ^ "xv6 source listing" (pdf). Retrieved 2014-09-22.
  3. ^ "CS385 - Operating Systems Concepts and Design". Retrieved 2015-03-18.
  4. ^ "01:198:416: Operating Systems Design". Retrieved 2010-02-05.
  5. ^ "CS 3650: Computer Systems, Fall 2014". Retrieved 2014-12-09.
  6. ^ "CS422/522: Operating Systems, Spring 2010 — Overview". Retrieved 2010-02-05.
  7. ^ "COMS W4118: Operating Systems I, Fall 2013". Retrieved 2013-09-09.
  8. ^ "Operating Systems - 2012/Spring - Main". Retrieved 2012-03-26.
  9. ^ "600.318/418: Operating Systems". Retrieved 2015-11-07.
  10. ^ "FrontPage - OS Teaching Wiki". Retrieved 2010-03-18.
  11. ^ "CS-537: Introduction to Operating Systems". Retrieved 2011-11-04.
  12. ^ "CS 6460: Operating Systems". Retrieved 2014-01-20.
  13. ^ "Embedded in Academia : Xv6". Retrieved 2014-04-08.
  14. ^ "1DV201: Operating system". Retrieved 2013-03-14.
  15. ^ "COSC440: Advanced Operating system". Retrieved 2015-07-14.
  16. ^ "SistOp14: Operating Systems". Retrieved 2015-08-06.
  17. ^ "Operating Systems". Retrieved 2015-08-06.
  18. ^ "Sistemi Operativi". Retrieved 2015-10-18.
  19. ^ "DCC605: Sistemas Operacionais". Retrieved 2015-11-16.
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