Chapter 10 — System-level IO notes
@[toc] Read File Metadata Applications can retrieve File Metadata by calling stat and fstat functions. Struct stat *buf returns the queried File
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Tag: The operating system
Virtual memory
January 2, 2024
by Michael Stevens
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Virtual memory: Use part of the hard disk as memory When allocating memory, the operating system sometimes generates some free memory areas that cannot be...
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Understand process, thread, coroutine and JS coroutine development
January 2, 2024
by Brett Murray
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In addition to coroutines, you will learn about processes, threads, concurrency... Coroutines, also known as microthreads, fibers. English name Coroutine. A coroutine is a user...
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Operating systems _ Producer-consumer issues
January 2, 2024
by 成雅慧
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The producer-consumer problem is proposed that multiple producers and consumers cooperate by sharing Buffer pools containing N buffers. The producer is responsible for producing data...
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Memory management: Virtual memory management
January 2, 2024
by Lavanya Hans
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Never think of virtual memory as an actual thing, it's a technology! Swap overlay technology is a logical memory expansion technology!
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Relearn the front end operating system
January 2, 2024
by Shelley Chapman-Williams
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Within a month of writing the previous plan, we will summarize a wave of operating system knowledge that the front-end needs to know from the...
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Android log system
January 2, 2024
by 趙雅筑
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The Android log system involves three modules: server LogD, client, and LogCAT. The client side, the Android system provides is the dynamic link library liblog.so,...
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Operating systems – Introduction to computer hardware
January 1, 2024
by Reece Iqbal
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The CPU is the brain of the computer, pulling instructions from memory and executing them. Taking instructions out of memory, decoding them and executing them,...
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Online public number article content turn audio file utility gadget
January 1, 2024
by 金淑貞
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Voice is developed based on Framework4.5, mainly using baidu speech recognition SDK, which realizes the function of online text to speech, and can be directly...
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Computer composition principle – has abused me thousands of times the principle of counting groups
January 1, 2024
by Mr. Matthew Thomas
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What is the nature of base? Base is the concept of a set of symbols and a number of times. This idea applies to the...
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Not quite what you might expect from “IO Multiplexing Literacy Stickers”
January 1, 2024
by 王欣怡
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Before NIO, the client communicated with the server via BIO. In the BIO communication model, an independent Acceptor thread is usually responsible for listening to...
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[mit6 s081] notes Lab1: Unix utilities | Unix utility
January 1, 2024
by Krish Bora
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Lab 1: Unix utilities This lab will familiarize you with xv6 and its system calls. Realize a few Unix utilities, familiar with
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Origin of operating system file system
January 1, 2024
by Mrs. Marie Gardner
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The origin of the initiation file Is a pair of hexadecimal data stored on the disk, how to split the data into different files, that...
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Thread/process comparison
January 1, 2024
by Natalie Gonzalez
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Process: it is the running Process of the Process entity. It is an independent unit of the system for resource allocation and scheduling. Thread thread:...
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89 core operating system concepts that programmers must know
January 1, 2024
by 張家銘
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Operating System (OS) : It is the System software that manages computer hardware and software resources. It is also the kernel and cornerstone of computer...
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Implementing Actor Systems with Tokio
January 1, 2024
by Iain Allen
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This article will implement the Actors system directly using Tokio without using any Actors libraries (such as Actix). This is actually even easier, but there...
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Reset Windows Update to resolve errors that cannot be updated
December 31, 2023
by Melissa Miranda
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A few days ago, after reinstalling the system and manually running Windows Update, I found that the Update always reported errors. At first, I thought...
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Homebrew command error and no other command tools found after Mac upgrade Big Sur
December 31, 2023
by Miss Natalie Tucker
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Homebrew command error: Traceback (most recent call last) error: Traceback (most recent call last
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Unknown Network programming (13) : Dive deep into the operating system and thoroughly understand 127.0.0.1 native network communication
December 31, 2023
by Ms. Elizabeth Butler
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An in-depth understanding of this problem will be of great significance in the technical practice of various network communication applications. Today let's make 127.0.0.1 local...
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Homemade File system – 04 HelloFS Advanced Distributed encrypted file system
December 31, 2023
by Navya Sastry
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This article realizes a encryption distributed function on the basis of HelloFS. Hellofs has evolved, writable distributed encryption helloFS is coming, have you learned?
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Basic knowledge of MIT 6.828 operating system
December 31, 2023
by 胡惠雯
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MIT 6.828 operating system basic knowledge, KVM, QEMU, GDB, etc., and C language and assembly language related, EMU8086
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Xv6 file system details
December 31, 2023
by Paula Barton
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This article continues with the file system section of XV6, which divides the file system design into seven layers: disk, cache, log, directory, path, and...
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Born for the cloud, Tencent cloud server operating system TencentOS kernel officially open source
December 31, 2023
by Cynthia Norton
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On January 9, Tencent Cloud announced that it will open source the TencentOS kernel of its server operating system. Compared with other versions of Linux...
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Do you know how a keyboard works?
December 31, 2023
by Samantha Edwards
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How the keyboard works in the previous article has said, was based on Linux 0.11 but not the system, this article to Xv6 keyboard driver...
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Java memory model for Java concurrent programming
December 30, 2023
by James Klein
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To improve the speed at which computers process data. Modern computers support multitasking. In 32-bit Windows, multitasking means that the system can run multiple processes...
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Interprocess communication model for operating systems
December 30, 2023
by Katherine Todd
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The good thing is that there are so many mature project management processes to refer to. The most traditional Model is the Waterfall Model of...
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Operating system interview questions summary 🙌 Strengthen your computer foundation ✨
December 30, 2023
by Edward Copeland
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In essence, processes and threads are descriptions of the CPU's working hours, i.e., the instructions of a running program. To explain the above statement, we...
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Developer Windows11 experience report (7.1 version)! ~ ▽ ~ “)o experience Windows11
December 30, 2023
by Shannon Contreras
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Windows 117-1st-latest update, new Settings, new stores, and other things developers want to know! Mark Twain (Mac to Windows)!
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(14) Lab FS: File System
December 30, 2023
by Emma Booth
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The code is on Github. The experiment involved modifying the file system to support larger files and symbolic links, and the experiment itself was not...
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How to implement a simple file system
December 30, 2023
by Rebecca Short
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In this article, I'll talk about journaling systems in file systems and see how a simple journaling system can be implemented. This article is a...
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