Xv6 Lab Utilities
Xv6 Lab Utilities 6.S081 Lab 1: Xv6 and Unix Utilities Sleep "This is my 22nd day of the November Update Challenge
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Tag: The operating system
A brief introduction to maxMemory, totalMemory, freeMemory and OOM vs. Native Heap
January 25, 2024
by Mark McMillan-Howard
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Bonus points for answering these memory management interview questions. Preface: Standing on the shoulders of giants, summarize this article. Gets the maximum memory that the...
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Principle of Java concurrent programming synchronized to ensure thread safety
January 25, 2024
by Olivia Smith
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Thread safety is an important concern in concurrent programming. It should be noted that there are two main causes of thread safety problems, one is...
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Virtual memory paging related to learning notes for operating systems
January 25, 2024
by Anika Badami
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Think of main memory as a cache of address space stored on disk, holding only active areas in main memory and passing data back and...
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Git multiplatform unified newline character
January 25, 2024
by 徐冠霖
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Recently, when I used sourceTree for work, I often found that although it was only a small code change, there were inexplicably many more Spaces...
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How is the iOS efficient Image IO framework refined
January 25, 2024
by Elizabeth Ford
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When we use picture storage, it will inevitably involve file IO, GPU rendering and other problems, the article focuses on the computer operating system from...
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Play Docker container Technology for 5 minutes every day (I)
January 25, 2024
by Valerie Bishop
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From the whole ecology of the container to various specific technologies, from the whole to the details. Take a hands-on approach to container technology. The...
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The Docker thing
January 25, 2024
by Lance Stevenson
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Docker is a container based on lightweight virtualization technology. The whole project is developed based on Go language and uses Apache 2.0 protocol. Docker can...
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Talk about the idea of virtual memory
January 25, 2024
by Mark Martin
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This article is still a reading note for the book Operating Systems: Three Easy Pieces, which mainly shares some contents of virtual memory. In terms...
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Operating system – virtual memory page replacement algorithm – detailed design attached source code
January 25, 2024
by Robert Cole
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Through this experiment, deepen the understanding of the concept of virtual memory page replacement, further master the FIFO, the best replacement OPI and the most...
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Operating system -2.1 Virtual memory structure
January 25, 2024
by Lisa Davis
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Virtual memory is a Linux technique for managing memory. It makes each application think it has a separate and contiguous available memory space (a contiguous...
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Operating system: use semaphore to achieve process mutual exclusion and synchronization
January 25, 2024
by Nicola Gardner
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1. Analyze the key activities of concurrent processes and delimit the critical region 2. Set the mutex wood property with an initial value of 13....
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Hammy learning operating system – process scheduling
January 25, 2024
by Joanne Jackson
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When a computer system is multiprogramming, it is common to have multiple processes or threads competing for CPU. This happens whenever two or more processes...
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Abstract Factory Pattern
January 25, 2024
by 胡惠雯
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Provide an interface for creating families of related or dependent objects without specifying their concrete classes. A text editor and a picture processor, for example,...
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How did I learn to write an operating system (VI) : Process scheduling
January 25, 2024
by Stephen Godfrey-Curtis
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Now that multiple processes are introduced, which is essentially switching back and forth between processes, there will be scheduling problems between processes. It is actually...
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Process Synchronization and Process Exclusion for Learning Notes in operating system
January 25, 2024
by Mary Baker
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The last note covered the concept of process and process control. This note covers process synchronization and process exclusion. 1. Process synchronization and process exclusion...
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NetBSD on pit
January 25, 2024
by 段雅芳
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Looking for a distribution small enough to be polished, Docker turned to Fedora CoreOS. Use the above docker very well, later found the BSD family...
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Nodejs Day 5 (Path module)
January 25, 2024
by Navya Sastry
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After the previous study, we know that the path module is not in the global, so when we need to use it, we need to...
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Operating System – Process Management 2(Synchronization and Mutual exclusion of processes)
January 24, 2024
by Nigel Booth
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Resources that cannot be used by two or more processes at the same time are called critical resources. The existence of critical resources creates the...
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Operating system – process scheduling algorithm
January 24, 2024
by Sean Khan-Bowen
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"This is the first day of my participation in the Gwen Challenge in November. See details of the event: The last Gwen Challenge in 2021"....
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Process scheduling implementation
January 24, 2024
by 劉家瑜
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Process scheduling is done in the clock interrupt, and the core statement is mov ESP, [proc_ready], which means the stack that selects the next process...
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My 2017 collection of articles — JDK source code
January 24, 2024
by Mr. Oliver Jones
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2018 has begun, with 360 days to go. Eventually a single thing can only get so big. You need to do something else. Recently, I...
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LiteOS – transplantation
January 24, 2024
by Michele Bennett
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OpenHarmony is coming out with its first open source and only supports LitEOS-A, so it's worth learning about LiteOS here. Harmony may not be used...
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Operating system series – Common Linux commands
January 24, 2024
by Stanley Watson
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File directory Operation Ls command: View the files contained in a Linux folder, file permissions, and directory information. CD command: the most basic command statement,...
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The contradiction between enterprise mobile appeal and developers
January 24, 2024
by Aaron Cox
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The progress and development of an era tend to generate new problems, and then repeat the cycle, so that human civilization is constantly iterating and...
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Mach-o: FishHook parsing
January 24, 2024
by Clive Elliott
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For the C function in the dynamic link library, the first time we call it, we get the connection between the function and its implementation...
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What about Redis concurrency competition
January 24, 2024
by 王佩君
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However, in the current situation, although we do not need to guarantee the sequential execution (it doesn't matter which one is subtracted first, as long...
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JDK FileSystem for different operating systems (UNIx-like
January 24, 2024
by James Berg
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We know that different operating systems have their own file systems, and there are many differences between these file systems. Java, because it is cross-platform,...
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Introduction to Operating Systems (2)
January 24, 2024
by Ella Harrison
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Suppose there are three jobs A, B and C. A is A little earlier than B, and B is A little earlier than C. At...
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Linux system processes, threads between love and hate entanglements…
January 24, 2024
by Debra Atkinson
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When a program starts execution, its portion of memory is called a process between the time it begins execution and the time it exits. Linux...
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