Michael J. Karels

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Mike Karels
Born
Michael John Karels

(1956-08-02)August 2, 1956
DiedJune 2, 2024(2024-06-02) (aged 67) [1]

Michael J. (Mike) Karels[2] (August 2, 1956 – June 2, 2024) was an American software engineer and one of the key figures in history of BSD UNIX. His face appears on the 7 of Spades on the USENIX 1994 Playing Card Deck.[3]

In 1993, the USENIX Association gave a Lifetime Achievement Award (Flame) to the Computer Systems Research Group at University of California, Berkeley, honoring 180 individuals, including Karels, who contributed to the CSRG's 4.4BSD-Lite release.[4][5]

In February 1992 Karels moved to BSDi (Berkeley Software Design)[6] and designed BSD/OS, which, for years, was the only commercially available BSD style Unix on Intel platform. BSDi's software assets were bought by Wind River in April 2001, and Karels joined Wind River as the Principal Technologist for the BSD/OS platform.[7]

Following his time at Wind River, Karels joined Secure Computing Corporation in 2003 as a Sr. Principal Engineer. Secure Computing used BSD/OS as the basis for SecureOS, the operating system of its Sidewinder firewall, later known as McAfee Firewall Enterprise. However, BSD/OS development had ceased, so Karels was involved in transitioning SecureOS to use FreeBSD as its base, and porting its unique features over to the new kernel. Secure Computing and the Sidewinder firewall team went through a series of acquisitions and spinoffs, including McAfee, Intel, and Forcepoint, so while Karels appeared to have several different jobs from that point onward, he had remained in roughly the same role from 2003 until his retirement in 2021.[8]

The Sidewinder product was eventually discontinued, though Karels fed some SecureOS changes back into the main FreeBSD codebase. Karels officially became a FreeBSD committer in 2017. He continued working on FreeBSD in his spare time following retirement.[8]

Bibliography[edit]

  • 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.
  • Karels, Michael J. (February 1985). Another Internet Subnet Addressing Scheme. doi:10.17487/RFC0936. RFC 936.

References[edit]

  1. ^ "Michael 'Mike' Karels Obituary". Star Tribune. 2024-06-05. Archived from the original on 2024-06-05. Retrieved 2024-06-05.
  2. ^ "Michael J. Karels | Semantic Scholar". www.semanticscholar.org. Retrieved 2023-08-21.
  3. ^ "Unix Guru Universe: Mike Karels". ugu.com. September 2023. Retrieved 2024-06-05.
  4. ^ "The Computer Systems Research Group 1979 — 1993". www.netbsd.org. September 1993. Retrieved 2024-06-05.
  5. ^ "Flame Award". www.usenix.org. 1993. Retrieved 2024-06-05.
  6. ^ Dr. Nikolai Bezroukov (2006). "AT&T Lawsuit Helps to Launch Linux Into Mainstream". Archived from the original on 2018-10-29. Retrieved 2018-10-29.
  7. ^ "Wind River to Acquire BSDi Software Assets, Extending Development Platforms to Include Robust UNIX-based Operating Systems for Embedded Devices". www.windriver.com. 2001-04-04. Retrieved 2024-06-05.
  8. ^ a b Michael J. Karels (May 18, 2023). May 2023 Developer Summit: FreeBSD Stories: Michael J. Karels.

External links[edit]

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