Talk about file systems
This article explores the theme of the file system, the operating system students should have an understanding. Personal thought content of the file system is...
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Tag: The operating system
Virtual memory is a what | series in a minute
January 8, 2024
by 張怡安
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Once upon a time, there was only one program on a machine, and the operating system was stored as a function. For memory, the operating...
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Synchronize has long since become less cumbersome
January 8, 2024
by Margaret Lloyd
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I find that some students have read a lot of synchronize articles on the Internet. Perhaps some of them do not have a deep understanding...
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Linux file system details
January 8, 2024
by Alexandra Fowler
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All sorts of things in Linux like documents, directories (called folders in Mac OS X and Windows), keyboards, monitors, hard drives, removable media devices, printers,...
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Do you really understand virtual memory and physical memory
January 8, 2024
by Chloe Webb
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Before we begin, let's talk about what you can learn from reading this article. The origin of virtual memory. Relationship between virtual memory and physical...
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Basic concepts of threads
January 8, 2024
by Prerak Ghosh
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In accordance with the plan, this from the beginning we open "concurrent" series of the summary of the contents, starting from this thread, the thread...
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, a Java NIO
January 8, 2024
by Alison McGregor
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Abstract representation of files, byte streams and character streams are traditional IO related content, which we have studied in depth in previous articles. However, traditional...
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How to write technical documents
January 8, 2024
by Abigail Ford-Little
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It doesn't matter how good the software is, because if the documentation isn't good enough, people won't use it. Even if for some reason they...
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Explain how Java sockets work
January 8, 2024
by Douglas Perez
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Most operating systems use the mechanism of system calls to transfer control between applications and the operating system. To programmers, system calls are very similar...
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Learn about the Java locking mechanism
January 8, 2024
by Chirag Chaudhari
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Synchronized Lock is a Synchronized Lock. Synchronized Lock is a Synchronized Lock. Synchronized Lock is a Synchronized Lock. You don't have to go through so...
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How does the operating system manage memory
January 8, 2024
by Taimur Chandra
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In the computer world, there are two precious resources, CPU and memory. This is a resource that every process has to fight for. This article...
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Summary of interprocess communication modes
January 8, 2024
by Sienna Hart
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Interprocess communication, we use it all the time, but we don't pay attention to it. If an interviewer asks you how many different ways of...
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Ramble: How to explain to girlfriend what is concurrent and parallel
January 8, 2024
by Angela McKay
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One day I was doing a phone interview from my home after work and asked candidates, "Can you briefly explain what you understand about concurrency...
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Parse segmentation and pagination in depth
January 8, 2024
by Victor Henson
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What is fragmentation? Segment model predecessor: Base address plus Boundary register (dynamic relocation) Segmented management segmented idea Another advantage of segmented address translation segments: good...
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Node process and child_process
January 8, 2024
by Ashley Weaver
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In Node.js each application is an instance object of a process class. The application is represented by a Process object, which is a global object...
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Are you still using os.path? Come and feel the convenience of Pathlib!
January 8, 2024
by Dr. Gillian Clark
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Pathlib is a Python built-in library defined by the Python documentation as object-oriented filesystem paths. Pathlib provides classes that represent file system paths, with semantics...
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A string of numbers to represent thousands of bits of the separated form – JS regular expression application
January 8, 2024
by Ojas Garg
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How to convert a string of integers into thousands of bit separated forms, such as 10000000000, into 10,000,000,000. Before we knew regular expressions, this was...
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Analysis of the operating system process, thread difference
January 8, 2024
by Shayak Vasa
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In order to realize multi-task system, modern operating system put forward the concept of process. In the early days of Linux system, process was used...
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Go deep into the underlying command set of iOS
January 8, 2024
by Jivin Dasgupta
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Don't follow the rules. Can not become fangyuan. When it comes to instruction sets and CPU architecture, you will think of computer architecture in computer...
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UNIX redirection >, 2>&1 and internal implementation
January 8, 2024
by Gabriela Miller
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> is to clear the file and then write. >> equivalent to append mode. We can simulate this using code where we turn off the...
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The virtual memory thing
January 8, 2024
by Brett Davies
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We all know that a process shares CPU and memory resources with other processes. Because of this, operating systems need a good memory management mechanism...
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Linux kernel compiler LOCALVERSION configuration (analyze the kernel version number automatically added “+” number)
January 7, 2024
by Alison Perez
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When compiling the main 'kernel' version, it was found that the version number generated by the successful compilation of the main 'kernel' version was' X.Y.Z...
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Linux – What about CPU Utilization
January 7, 2024
by Beth Robinson
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CPU usage is the most intuitive and commonly used system performance indicator, and it is the first indicator that we usually focus on when troubleshooting...
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Linux From scratch 13: Want to get to the bottom of “system calls”? It is recommended that you do not miss this article [Call gate]
January 7, 2024
by 李淑娟
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Since the concept of privileges was not introduced at that time, the user program and the operating system work at the same privilege level, so...
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Mac Installation Valet environment record
January 7, 2024
by Amanda Ochoa
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Installation instructions are provided in Laravel Chinese document, but any errors reported during installation are recorded here. Valet requires a Mac operating system and Homebrew...
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Lab4 [mit6 s081] note: Traps | interrupt trap
January 7, 2024
by Ivana Behl
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This is the fourth chapter of lab code notes for the course of OPERATING system MIT6.S081 taught by myself: Traps. This lab approximately takes 8...
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Operating system memory management
January 7, 2024
by Joyce Khan
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Physical address: Logically, we can think of physical memory as a large array in which each byte can be accessed by its corresponding address. This...
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Upgrade python2.6 for Centos6 to 2.7
January 7, 2024
by Johnny Woods PhD
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CentOS 6.6 comes with Python 2.6.6, which requires Python 2.7 or higher to compile LLVM. checking for python... /usr/bin/pythonchecking for
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IOS 15 is ready for an update
January 7, 2024
by Renee Shannon
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Yes, you heard that right, it started rolling out this morning. When I woke up in the morning, I saw a blogger on the public...
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By the end of this article, you’ll have no problem arguing with the interviewer
January 6, 2024
by Eileen Edwards
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The operating system is the most important software running on the computer. It manages the resources and processes of the computer as well as all...
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