Louis Pouzin

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Louis Pouzin
M. Louis POUZIN 2013.jpg
Born 20 April 1931 Edit this on Wikidata (age 85)
Chantenay-Saint-Imbert Edit this on Wikidata
Citizenship France Edit this on Wikidata
Alma mater École Polytechnique Edit this on Wikidata
Awards Knight of the Legion of Honour , Queen Elizabeth Prize for Engineering, IEEE Internet Award, Internet Hall of Fame, SIGCOMM Award Edit this on Wikidata

Louis Pouzin (born 1931 in Chantenay-Saint-Imbert, Nièvre, France) invented the datagram and designed an early packet communications network, CYCLADES.[1][2]

He studied at the École Polytechnique from 1950 to 1952.

His work influenced Robert Kahn, Vinton Cerf, and others in the development of TCP/IP protocols used by the Internet.[1]

Having participated in the design of the Compatible Time Sharing System (CTSS), Pouzin wrote a program called RUNCOM around 1963/64. RUNCOM permitted the execution of contained commands within a folder, and can be considered the ancestor of the command-line interface and shell scripts. Pouzin was, in fact, the one who coined the term shell for a command language in 1964 or '65. Pouzin's concepts were later implemented in Multics by Glenda Schroeder at MIT.[3]

From 1967 to 1969 Pouzin developed one operating system for Météo-France, the French national meteorological service, using ControlData6400 as hardware. This system was created for weather forecast and statiscs and was used for 15 years.[4]

In 2002 Pouzin -along with Jean-Louis Grangé, Jean-Pierre Henninot and Jean-François Morfin- participated in the creation of Eurolinc, which is a non-profit association that promotes multilingualism in domain names. In june 2003, Eurolinc was accredited by UNO to participate at the World Summit on the Information Society (WSIS).[5]

In November 2011, he founded Savoir-Faire, an alternative root company, with Chantal Lebrument and Quentin Perrigueur. [6][7]

In 2012 he developed a service called Open-Root, which is dedicated to sell top-level domains (TLD) in all scripts outside of ICANN. This way people can develop second-level domains for free.[8]



  1. ^ a b c "Postel and Pouzin: 1997 SIGCOMM Award Winners", ACM SIGCOMM web site
  2. ^ "A Technical History of CYCLADES", Technical Histories of the Internet & other Network Protocols (THINK), University of Texas, 11 June 2002
  3. ^ "The Origin of the Shell", Multicians, accessed 31 March 2012
  4. ^ Grangé, J. L. (2012). Oral history interview with Jean-Louis Grangé by Andrew L. Russell.
  5. ^ http://www.eurolinc.eu/
  6. ^ http://owni.fr/2012/01/13/les-nouvelles-root-de-l%E2%80%99internet/
  7. ^ Savoir-faire biographies - http://www.open-root.eu/decouvrir-open-root/biographies/
  8. ^ http://open-root.eu/
  9. ^ 2012 Inductees, Internet Hall of Fame website. Last accessed April 24, 2012
  10. ^ "2013 Winners Announced" Queen Elizabeth Prize for Engineering