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events:timeline [2016/01/14 10:51] – [1971] wkt | events:timeline [2016/03/22 20:57] – [1971] wkt |
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===== 1971 ===== | ===== 1971 ===== |
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**January-March:** PDP-11 version largely rewritten during this period, but was not truly self-supporting. [ [[http://cm.bell-labs.com/cm/cs/who/dmr/notes.html]] ] | **January-March:** PDP-11 version largely rewritten during this period, but was not truly self-supporting. [ [[http://cm.bell-labs.com/cm/cs/who/dmr/notes.html|http://cm.bell-labs.com/cm/cs/who/dmr/notes.html]] ] |
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**February:** PDP-11 Unix beccomes "operational" [ [[http://cm.bell-labs.com/cm/cs/who/dmr/cacm.html]] ] | **February:** PDP-11 Unix beccomes "operational" [ [[http://cm.bell-labs.com/cm/cs/who/dmr/cacm.html|http://cm.bell-labs.com/cm/cs/who/dmr/cacm.html]] ] |
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**Throughout 1971:** Dennis extends B to be NB [ [[http://cm.bell-labs.com/cm/cs/who/dmr/chist.html]] ] | **Throughout 1971:** Dennis extends B to be NB [ [[http://cm.bell-labs.com/cm/cs/who/dmr/chist.html|http://cm.bell-labs.com/cm/cs/who/dmr/chist.html]] ] |
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**Spring:** roff rewritten in PDP-11 assembler language, starting from the PDP-7 version that had been transliterated from McIlroy's BCPL version on Multics, which had in turn been inspired by J. Saltzer's runoff program on CTSS [ [[http://cm.bell-labs.com/cm/cs/who/dmr/hist.html]] ] | **Spring:** roff rewritten in PDP-11 assembler language, starting from the PDP-7 version that had been transliterated from McIlroy's BCPL version on Multics, which had in turn been inspired by J. Saltzer's runoff program on CTSS [ [[http://cm.bell-labs.com/cm/cs/who/dmr/hist.html|http://cm.bell-labs.com/cm/cs/who/dmr/hist.html]] ] |
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**Mid-1971:** Dennis writes a [[http://www.tuhs.org/Archive/PDP-11/Distributions/research/McIlroy_v0/|draft]] of "The Unix Time-Sharing System" paper. | **Mid-1971:** Dennis writes a [[http://www.tuhs.org/Archive/PDP-11/Distributions/research/McIlroy_v0/|draft]] of "The Unix Time-Sharing System" paper. |