Differences

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--- features:pipes [2015/12/29 20:30] – admin
+++ features:pipes [2015/12/29 20:33] – [Dating the Creation of Pipes] admin
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 According to the [[:anecdotes:pipes|anecdotes]], Ken Thompson added pipes to Unix in one day.
-The Second Edition of Unix, dated June 1972, didn't have pipes. By January 15, 1973, Unix did have pipes: Doug McIlroy put out the notice for a [[http://www.tuhs.org/Archive/Documentation/Papers/Unix_Users_Talk_Notes_Jan73.pdf|talk which described the state of UNIX]] at that time. Page 4 describes SYS PIPE and its implementation. This is as narrow as we can get on the date when Ken added pipes to the system.
+The Second Edition of Unix, dated June 1972, didn't have pipes; by January 15, 1973, Unix did have pipes. Doug McIlroy put out the notice for a [[http://www.tuhs.org/Archive/Documentation/Papers/Unix_Users_Talk_Notes_Jan73.pdf|talk which described the state of UNIX]] at that time; page 4 describes SYS PIPE and its implementation. This is as narrow as we can get on the date when Ken added pipes to the system.