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Category: operating systems

PLOS 2021 paper: How ISO-C became unusable for operating system development

October 6, 2021 vy C standard, operating systems
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Torvalds on aliasing

June 7, 2018 vy C standard, operating systems, programming languages

See also   Dennis Ritchie on aliasing, PLOS article,  pointer alias in C and remarks on the purpose of C.  From: LKML From Linus Torvalds <> Date

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The replicated state machine method of fault tolerance from 1980s

August 26, 2016 vy auragen, business, operating systems, systems

The first time I saw this method was when I went to work for Parallel Computer Systems, , later called Auragen, in the famous tech startup

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The Auragen file system.

January 25, 2016 vy auragen, operating systems, systems

This article on the interesting Wave Transactional File System inspired me to look up an earlier file system that also used copy on write semantics.

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What does the UNIX file system do?

October 1, 2015 vy operating systems, systems

Unix, Linux, Windows and other operating systems and the world wide web all support file systems with the familiar path file names  like “/home/snowden/travel/boardingpass.pdf” or

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Update of UNIX filesystem paper

September 9, 2015 vy operating systems, Uncategorized

download the paper  

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A claimed validated operating system.

September 16, 2014 vy operating systems, systems

The claim: we have demonstrated the comprehensive formal verification of the seL4 microkernel, with a complete proof chain from precise, formal statements of high-level security

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Real-time Linux

July 17, 2014 vy operating systems, rtlinux, software business

My opinion has always been that the Linux-RT project was based on an unfixable engineering error.   A few words on the status and the

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Free Software Patents: Alan Cox

August 16, 2012 yodaiken operating systems, software business

1. A method, comprising: storing, by one or more processors, confidential data in a confidential section of virtual memory, wherein storing the confidential data in

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The multics file system

October 7, 2011 yodaiken operating systems

The design proposed in this paper is ubiquitous. A file is simply an ordered sequence of elements, where an element could be a machine word,

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