- QUOTCOLOSSAL CAVE SOURCE CODE UNIX HOW TO
- QUOTCOLOSSAL CAVE SOURCE CODE UNIX PORTABLE
- QUOTCOLOSSAL CAVE SOURCE CODE UNIX LICENSE
UNSW had actually obtained UNIX source code in 1975, in response to Ken Robinson's 1974 query to Dennis Ritchie at Bell. The source code and commentary were printed in book form in 1977, after first being assembled in May 1976, as a set of lecture notes for Lions's computer science courses (6.602B and 6.657G, mentioned in the introduction of the book) at the University of New South Wales.
QUOTCOLOSSAL CAVE SOURCE CODE UNIX LICENSE
History John Lions with his students in 1980 A Japanese reprinting of John Lions A commentary on the Unix operating system and accompanying formatted source code displaying a license for use by certain licensees, and a directive to those licensees to restrict use by other parties, Unix operating system source code level six The commentary also remarks on how the code might be improved. It is possible to understand the code without the extra commentary, and the reader is advised to do so and only read the notes as needed. The book ends with suggested exercises for the student.Īs Lions explains, this commentary supplements the comments in the source. The source commentary follows, divided into the same sections as the code.
QUOTCOLOSSAL CAVE SOURCE CODE UNIX HOW TO
The code as presented will run on a PDP-11/40 with RK-05 disk drive, LP-11 line printer interface, PCL-11 paper tape writer and KL-11 terminal interface, or a suitable PDP-11 emulator, such as SIMH.Ī Commentary on the UNIX Operating System starts with notes on UNIX and other useful documentation (the UNIX manual pages, DEC hardware manuals and so on), a section on the architecture of the PDP-11 and a chapter on how to read C programs. All procedures and symbols are listed alphabetically with a cross reference. UNIX Operating System Source Code Level Six is the kernel source code, lightly edited by Lions to better separate the functionality - system initialization and process management, interrupts and system calls, basic I/O, file systems and pipes and character devices. Lions Commentary on UNIX 6th Edition with Source Code 1996 reissue Synopsis Lions's work was most recently reprinted in 1996 by Peer-To-Peer Communications, and has been circulated, recreated or reconstructed variously in a number of media by other parties, e.g. Despite its age, Lions's book is still considered an excellent commentary on simple, high quality code. It was commonly held to be the most copied book in computer science.
QUOTCOLOSSAL CAVE SOURCE CODE UNIX PORTABLE
Itself an exemplar of the early success of UNIX as portable code for a publishing platform, Lions's work was typeset using UNIX tools, on systems running code ported at the University, similar to that which it documented, see page vi. It is also commonly referred to as the Lions Book. A Commentary on the UNIX Operating System by John Lions (later reissued as Lions' Commentary on UNIX 6th Edition) is a highly influential 1976 publication containing analytical commentary on the source code of the 6th Edition Unix computer operating system "resident nucleus" (i.e., kernel) software, plus copy formatted and indexed by Lions, of said source code obtained from the authors at AT&T Bell Labs.
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