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--- systems:unixts4 [2023/02/11 03:53] – segaloco
+++ systems:unixts4 [2023/05/21 17:45] (current) – add link to manual restoration segaloco
@@ Line 6: / Line 6: @@
 **Documentation:** UNIX User's Manual, UNIX Administrator's Manual, Documents for UNIX
-UNIX Release 4 was a major release of the PWB UNIX line in the Bell System in 1981.  Unlike the prior and following versions which were released as System III and System V respectively, there was no external release of this version as UNIX System IV.
+UNIX Release 4 was a major release of the PWB/UNIX line in the Bell System in 1981.  Unlike the prior and following versions which were released as System III and System V respectively, there was no external release of this version as UNIX System IV.
 Many of the changes which were first encountered outside of the Bell System in UNIX System V truly had their start in Release 4.  Examples of such features which originated in Release 4:
@@ Line 20: / Line 20: @@
   * Documents for UNIX Release 4.0 (https://www.tuhs.org/Archive/Documentation/Manuals/Unix_4.0/)
   * UNIX Reference Guide Release 4.0 (https://www.tuhs.org/Archive/Documentation/Manuals/Unix_4.0/UNIX_Reference_Guide.pdf)
-  * UNIX User's Manual Release 4.1 (3B20) (Restoration/Archival in Progress)
+  * UNIX User's Manual Release 4.1 (3B20) (https://gitlab.com/segaloco/pwb4u_man)
   * UNIX Programming Starter Package (https://archive.org/details/unix-programming-starter-package)
   * UNIX Text Editing and Phototypesetting Starter Package (Archival in Progress)
@@ Line 32: / Line 32: @@
 Note: This is material that is, as of this typing, being actively uncovered and investigated, so this content will be in flux as time goes on.
-Nomenclature of this release is still being discussed.  The official name in literature of this line for 3 and 4 is simply "UNIX Release X" where X is the major and minor version number.  Release 4 should be seen as distinct from 1973's research V4 as well as 4BSD.
+Nomenclature of this release is still being discussed.  The official name in literature of this line for 3, 4, and 5 is simply "UNIX Release X" where X is the major and minor version number.  Release 4 should be seen as distinct from 1973's research V4 as well as 1980's 4BSD.
-The major version numbering scheme derives from PWB/UNIX as evidenced in this thread: https://minnie.tuhs.org/pipermail/tuhs/2019-September/018452.html
+The major version numbering scheme derives from PWB/UNIX as evidenced in this thread: https://www.tuhs.org/pipermail/tuhs/2019-September/018452.html