inode number

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Learn Linux Inode in one day

In the Linux file system, many people do not understand Inode. today I will share with you my understanding of Inode. if there is something wrong with understanding Inode, please give me more criticism. One day in the previous article, I learned

Learn Linux Inode in one day

  In the Linux file system, many people do not understand Inode. Today I will share with you my understanding of Inode. If there is something wrong with understanding Inode, please give me more criticism. One day in the previous article, I learned

Talking about the Inode

1. Initial knowledge of the Inode:The file is stored on the hard disk (the minimum storage unit of the hard disk is "sector" (sector), 512 bytes per sector)When the operating system reads the hard disk, it reads a block (8 sector) at once.The

Linux-the process by which the operating system looks for files and the difference between hard and soft links

Example: The system to find the file/var/log/messages processThe kernel knows the inode number, according to the inode can be found/corresponding disk block, the disk block has/below the directory and corresponding inode number, and then according

Brother Bird's Linux private Cuisine Basics Third Edition reading notes three Linux disk and file system management

I. Understanding the EXT2 file System:    A, the composition of the hard disk: rotating small motor + storage disk + read/write picker     B, some concepts of disk            & nbsp sector is the smallest physical storage unit, each sector is 512b   

Functions link, Linkat, unlink, Unlinkat, and remove

The function link, linkat, unlink, Unlinkat, and remove instance programs open a file and then unlink it. The process that executes the program then sleeps for 30 seconds and then terminates. #include "apue.h" #include int

Linux File system detailed

The file system on Linux is generally EXT2 or EXT3, but this article is not ready to talk about them directly, but I want to combine the Linux operating system and from the foundation of the file system-the hard disk to start, step-by-step

Hard link and soft link

In UNIX systems, everything except processes is a file, which is maintained by Linux. To facilitate file management, Linux also introduces the concept of directories (sometimes called folders. Directory enables file classification and management,

Soft link and hard link details

Soft link and hard link details Today, we will introduce the following soft links and hard links. I. What is inode? To understand inode, start with file storage. 1. The file is stored on the hard disk. The minimum storage unit of the hard disk is 51

Ubifs design overview-a brief introduce to the design of ubifs

In your spare time, If You Want To Know ubifs, start by translating the ubifs design document. You will have the opportunity to analyze the ubifs source code later.   The flash memory file system needs to be updated remotely (out-of-place updates).

Understanding Linux Hard links and soft links

Linux systems have soft links and hard links, so-called soft links similar to Windows system shortcuts, if the source file is deleted, soft links will fail. The hard link is different, even if the source file is deleted, the file still exists, this

The method of InnoDB data recovery in the case of Mysql exception recovery without primary key _mysql

This paper describes the method of InnoDB data recovery in the case of MySQL exception recovery without primary key. Share to everyone for your reference, specific as follows: MySQL in the InnoDB engine database abnormal recovery, generally require

Multi-angle Analysis Why Linux hard connections cannot point to directory __linux

Translator Note: Recently in the file system-related, whenever you read the inode related things, the book or blog will be related to hard link/soft link content, so today specifically for hard links translated a few English, understand it. One,

Linux-EXT2 file system details

Linux-EXT2 file system details File System features For example, the Microsoft operating system before Windows 98 mainly uses the file system FAT (or FAT16). Versions later than Windows 2000 have the so-called NTFS file system, for Linux, the

Linux file system links

Inode Before discussing the Linux system connection, I have to talk about inode first. Each object in the Linux file system has a unique inode index. Each inode number corresponds to one object in the file system, to view the inode number of a file

Delete garbled file names in Centos

In centos, you can use the rm command to delete files. However, if you want to delete a file with garbled file names, you cannot directly use the rm command because the file name cannot be output at all. However, the find command can be used to

Inode and hard links and soft links

*inode*When we need to open a file, often enter the command to open the file plus file name, the operating system will go to the hard disk to find the corresponding file, it should be known that the Unix/linux system does not use the file name to

Implementation of linux file system

Two articles have previously reviewed the structure of the linux Virtual File System and the process of reading and writing linux files. Some of the implementations by specific file system types are not described in detail, but they are implemented

Implementation of linux File System

Two articles have previously reviewed the structure of the linux Virtual File System and the process of reading and writing linux Files. Some of the implementations by specific file system types are not described in detail, but they are implemented

Linux file system links

  • Inode Before discussing the Linux system connection, I have to talk about inode first. Each object in the Linux file system has a unique inode index. Each inode number corresponds to one object in the file system, to view the inode number of a

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