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McKusick received his [[Bachelor's degree|B.S.]] in [[electrical engineering]] from [[Cornell University]], and two [[Master of Science|M.S.]] degrees (in 1979 and 1980 respectively) and a [[doctorate|Ph.D.]] in computer science from the [[University of California, Berkeley]] in 1984.<ref>{{cite web |title= Cal Alumni Network |work= Members' web site |url= http://cal.berkeley.edu }}</ref>
McKusick received his [[Bachelor's degree|B.S.]] in [[electrical engineering]] from [[Cornell University]], and two [[Master of Science|M.S.]] degrees (in 1979 and 1980 respectively) and a [[doctorate|Ph.D.]] in computer science from the [[University of California, Berkeley]] in 1984.<ref>{{cite web |title= Cal Alumni Network |work= Members' web site |url= http://cal.berkeley.edu }}</ref>


McKusick is openly gay and lives in California with [[Eric Allman]], who was his domestic partner since graduate school and whom he married in October, 2013.<ref name=advocate>{{cite web |title=What a connection. One helped develop E-mail, and the other fine-tuned the PC. Americans' lives are easier because these guys click.|work=[[The Advocate (LGBT magazine)|The Advocate]] |date=1998-03-03 |accessdate=2013-01-16 |url=http://findarticles.com/p/articles/mi_m1589/is_n754/ai_20350568 |first=Steve |last=Friess |archiveurl=http://www.stevefriess.com/archive/theadvocate/connection.htm|archivedate = 2002-06-27}}</ref><ref>{{cite web|title=Kirk McKusick's Family and Friends|url=http://www.mckusick.com/~mckusick/index.html|website=http://www.mckusick.com|publisher=Marshall Kirk McKusick|accessdate=14 March 2015}}</ref>
McKusick is openly gay and lives in California with [[Eric Allman]], who was his domestic partner since graduate school and whom he married in October, 2013.<ref name=advocate>{{cite web |title=What a connection. One helped develop E-mail, and the other fine-tuned the PC. Americans' lives are easier because these guys click.|work=[[The Advocate (LGBT magazine)|The Advocate]] |date=1998-03-03 |accessdate=2013-01-16 |url=http://findarticles.com/p/articles/mi_m1589/is_n754/ai_20350568 |first=Steve |last=Friess |archiveurl=http://www.stevefriess.com/archive/theadvocate/connection.htm|archivedate = 2002-06-27}}</ref><ref>{{cite web|title=Kirk McKusick's Family and Friends|url=http://www.mckusick.com/~mckusick/index.html|website=mckusick.com|publisher=Marshall Kirk McKusick|accessdate=14 March 2015}}</ref>


== BSD ==
== BSD ==
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He was also primarily responsible for creating the complementary features of filesystem [[Snapshot (computer storage)|snapshot]]s and background <tt>[[fsck]]</tt> (file system check and repair), which both integrate closely with soft updates. After the filesystem snapshot, the filesystem can be brought up immediately after a power outage, and <tt>fsck</tt> can run as a background process.
He was also primarily responsible for creating the complementary features of filesystem [[Snapshot (computer storage)|snapshot]]s and background <tt>[[fsck]]</tt> (file system check and repair), which both integrate closely with soft updates. After the filesystem snapshot, the filesystem can be brought up immediately after a power outage, and <tt>fsck</tt> can run as a background process.


The ''Design and Implementation'' series of books are regarded as very high-quality works in computer science.{{fact|date=September 2018}} They have been influential in the development of the [[BSD]] descendants.{{fact|date=September 2018}} The [[BSD Daemon]], often used to identify BSD, is copyrighted by Marshall Kirk McKusick.<ref>{{cite web|url=http://www.mckusick.com/beastie/mainpage/copyright.html |title=Beastie copyright information |publisher=Mckusick.com |date= |accessdate=2013-12-03}}</ref>
The ''Design and Implementation'' series of books are regarded as very high-quality works in computer science.{{citation needed|date=September 2018}} They have been influential in the development of the [[BSD]] descendants.{{citation needed|date=September 2018}} The [[BSD Daemon]], often used to identify BSD, is copyrighted by Marshall Kirk McKusick.<ref>{{cite web|url=http://www.mckusick.com/beastie/mainpage/copyright.html |title=Beastie copyright information |publisher=Mckusick.com |date= |accessdate=2013-12-03}}</ref>


== Bibliography ==
== Bibliography ==

Revision as of 09:12, 6 June 2020

Marshall Kirk McKusick
Marshall Kirk McKusick in "linux.conf.au 2011", Brisbane, Queensland, Australia -- 2011-01
BornJanuary 19, 1954 (1954-01-19) (age 70)
Wilmington, Delaware, United States
EducationUniversity of California, Berkeley
Known forBSD, FreeBSD, UFS, soft updates, BSD Daemon
SpouseEric Allman

Marshall Kirk McKusick (born January 19, 1954) is a computer scientist, known for his extensive work on BSD UNIX, from the 1980s to FreeBSD in the present day. He was president of the USENIX Association from 1990 to 1992 and again from 2002 to 2004, and still serves on the board. He is on the editorial board of ACM Queue Magazine.[1] He is known to friends and colleagues as "Kirk".

McKusick received his B.S. in electrical engineering from Cornell University, and two M.S. degrees (in 1979 and 1980 respectively) and a Ph.D. in computer science from the University of California, Berkeley in 1984.[2]

McKusick is openly gay and lives in California with Eric Allman, who was his domestic partner since graduate school and whom he married in October, 2013.[3][4]

BSD

McKusick started with BSD by virtue of the fact that he shared an office at Berkeley with Bill Joy, who spearheaded the beginnings of the BSD system.[5]

Some of his largest contributions to BSD have been to the file system. He helped to design the original Berkeley Fast File System (FFS). In the late 1990s, he implemented soft updates, an alternative approach to maintaining disk integrity after a crash or power outage, in FFS, and a revised version of Unix File System (UFS) known as "UFS2". The magic number used in the UFS2 super block structure reflects McKusick's birth date: #define FS_UFS2_MAGIC 0x19540119 (as found in /usr/include/ufs/ffs/fs.h on FreeBSD systems). It is included as an easter egg.

He was also primarily responsible for creating the complementary features of filesystem snapshots and background fsck (file system check and repair), which both integrate closely with soft updates. After the filesystem snapshot, the filesystem can be brought up immediately after a power outage, and fsck can run as a background process.

The Design and Implementation series of books are regarded as very high-quality works in computer science.[citation needed] They have been influential in the development of the BSD descendants.[citation needed] The BSD Daemon, often used to identify BSD, is copyrighted by Marshall Kirk McKusick.[6]

Bibliography

  • S. Leffler, M. McKusick, M. Karels, J. Quarterman: The Design and Implementation of the 4.3BSD UNIX Operating System, Addison-Wesley, January 1989, ISBN 0-201-06196-1. German translation published June 1990, ISBN 3-89319-239-5. Japanese translation published June 1991, ISBN 4-621-03607-6 (out of print).
  • S. Leffler, M. McKusick: The Design and Implementation of the 4.3BSD UNIX Operating System Answer Book, Addison-Wesley, April 1991, ISBN 0-201-54629-9. Japanese translation published January 1992, ISBN 978-4-8101-8039-8
  • M. McKusick, K. Bostic, M. Karels, J. Quarterman: The Design and Implementation of the 4.4BSD Operating System, Addison-Wesley, April 1996, ISBN 0-201-54979-4. French translation published 1997, International Thomson Publishing, Paris, France, ISBN 2-84180-142-X.
  • McKusick, 1999 Twenty Years of Berkeley Unix (from the book Open Sources: Voices from the Open Source Revolution ISBN 1-56592-582-3)
  • M. McKusick, George Neville-Neil: The Design and Implementation of the FreeBSD Operating System, Addison-Wesley, July 2004, ISBN 0-201-70245-2
  • M. McKusick, G. Neville-Neil, R. Watson: The Design and Implementation of the FreeBSD Operating System, Second Edition, Addison-Wesley, September 2014, ISBN 0-321-96897-2

References

  1. ^ "ACM Queue Editorial Board". Retrieved August 16, 2013.
  2. ^ "Cal Alumni Network". Members' web site.
  3. ^ Friess, Steve (1998-03-03). "What a connection. One helped develop E-mail, and the other fine-tuned the PC. Americans' lives are easier because these guys click". The Advocate. Archived from the original on 2002-06-27. Retrieved 2013-01-16.
  4. ^ "Kirk McKusick's Family and Friends". mckusick.com. Marshall Kirk McKusick. Retrieved 14 March 2015.
  5. ^ Mr (2006-02-17). "BSDTalk interview with Kirk McKusick". Bsdtalk.blogspot.com. Retrieved 2013-12-03.
  6. ^ "Beastie copyright information". Mckusick.com. Retrieved 2013-12-03.
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