Differences

This shows you the differences between two versions of the page.

--- events:timeline [2016/01/01 16:28] – [1972] wkt
+++ events:timeline [2016/01/14 10:42] – [1971] wkt
@@ Line 52: / Line 52: @@
 ===== 1971 =====
-**January-March:** PDP-11 version largely rewritten during this period,
+**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]]]
-but was not truly self-supporting.
-[http://cm.bell-labs.com/cm/cs/who/dmr/notes.html]
-**February:** PDP-11 Unix beccomes "operational"
+**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]]]
-[http://cm.bell-labs.com/cm/cs/who/dmr/cacm.html]
-**Throughout 1971:** Dennis extends B to be NB
+**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]]]
-[http://cm.bell-labs.com/cm/cs/who/dmr/chist.html]
-**Spring:** roff rewritten in PDP-11 assembler language, starting from
+**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]]]
-the PDP-7 version that had been transliterated from
-McIlroy's BCPL version on Multics, which had in turn been
+**Mid-1971:** Dennis writes a draft of [[http://www.tuhs.org/Archive/PDP-11/Distributions/research/McIlroy_v0/|The Unix Time-Sharing System]]
-inspired by J. Saltzer's runoff program on CTSS
-[http://cm.bell-labs.com/cm/cs/who/dmr/hist.html]
+**November:** First Edition manuals were published [ [[:publications:quarter_century_of_unix|QCU]] pg 43]
-**November:** First Edition manuals were published
-[ [[:publications:quarter_century_of_unix|QCU]] pg 43]
 ===== 1972 =====
-**January:** The Labs issues a technical memorandum, written by Ken, describing the B language on the PDP-11 [[[http://cm.bell-labs.com/cm/cs/who/dmr/kbman.html]|http://cm.bell-labs.com/cm/cs/who/dmr/kbman.html]]]
+**January:** The Labs issues a technical memorandum, written by Ken, describing the B language on the PDP-11 [http://cm.bell-labs.com/cm/cs/who/dmr/kbman.html]
 **January-May:** Most of the 0405-magic binaries on the s2-bits tap archive, using the 1st Edition API. date(1) has 1971 as its epoch. [timestamps on files in the [[http://www.tuhs.org/Archive/PDP-11/Distributions/research/1972_stuff/s2-bits.gz|tap archive]]]
@@ Line 78: / Line 72: @@
 **March:** First manual for cc(1) [ [[:publications:quarter_century_of_unix|QCU]] pg 48]
-**March:** UNIX is running on at least 5 PDP-11/20s [[[http://cm.bell-labs.com/cm/cs/who/dmr/notes.html]|http://cm.bell-labs.com/cm/cs/who/dmr/notes.html]]]
+**March:** UNIX is running on at least 5 PDP-11/20s [http://cm.bell-labs.com/cm/cs/who/dmr/notes.html]
-**June:** DEC starts to ship the PDP-11/45. The Labs purchases one soon after this [[[http://www.village.org/pdp11/faq.pages/11model.html]|http://www.village.org/pdp11/faq.pages/11model.html]]]
+**June:** DEC starts to ship the PDP-11/45. The Labs purchases one soon after this [http://www.village.org/pdp11/faq.pages/11model.html]
 **June:** Second Edition manuals were published. 10 UNIX installations [ [[:publications:quarter_century_of_unix|QCU]] pg 43]
@@ Line 86: / Line 80: @@
 **June-July:** The C compiler binaries and associated utilities (as, nm, size, ld, un) on the s2-bits tap archive, with 0407-magic and using the 2nd Edition API. The files in the last1120c C compiler are contemporaneous. [timestamps on files in the [[http://www.tuhs.org/Archive/PDP-11/Distributions/research/1972_stuff/|tap archives]]]
-**Sometime between July and December:** Ken adds pipes to the assembly-language version of the kernel [ [[:publications:quarter_century_of_unix|QCU]] pg 51], [[[http://cm.bell-labs.com/cm/cs/who/dmr/hist.html]|http://cm.bell-labs.com/cm/cs/who/dmr/hist.html]]]
+**Sometime between July and December:** Ken adds pipes to the assembly-language version of the kernel [ [[:publications:quarter_century_of_unix|QCU]] pg 51], [http://cm.bell-labs.com/cm/cs/who/dmr/hist.html]
 **December:** The prestruct C compiler sources. This compiler assumes a load address of 0, unlike last1120c which has 040000. This implies that the kernel now used the 11/45 memory management. [timestamps on files in the [[http://www.tuhs.org/Archive/Applications/Early_C_Compilers/prestructc-bits.gz|tap archive]]]
@@ Line 95: / Line 89: @@
 [ [[:publications:quarter_century_of_unix|QCU]] pg 43]
 Kernel is still the assembly-language version
-[private email from dmr dated 7 Jan 1999]
+[ [[http://www.tuhs.org/Archive/Documentation/Emails/dmr_wkt.html#199901072254.JAA02024@csadfa.cs.adfa.oz.au|private email from dmr]] dated 7 Jan 1999]
 **August:** the `nsys' kernel in the PUPS archive, written in C.
 The source code uses structures; the C compiler must
 therefore have supported them by now.
-[timestamps on the files]
+[timestamps on the [[http://www.tuhs.org/Archive/PDP-11/Distributions/research/Dennis_v3/nsys-bits.gz|files]]]
 **September:** The C version of the kernel is adopted over the