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- Common timestamp attributes in Linux file systems
- Common time attributes in Linux file systems include access time (atime), modification time (mtime), and change time (ctime). These time attributes record different operation times of files or directories, and are very important for file system management and tracking. The following will introduce these three time attributes one by one, with corresponding code examples. Access time (atime) Access time refers to the last time a file or directory was accessed or executed. When the file is read, executed or viewed, the access time is updated.
- Linux Operation and Maintenance 800 2024-02-24 14:36:05
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- What is the method to quickly obtain software package information in Linux system?
- How to quickly obtain information about software packages in a Linux system? In Linux systems, it is a very common requirement to obtain relevant information about software packages. Whether you are viewing information such as the version, description, installation path, or dependencies of a software package, you can do so with some simple commands. Some commonly used methods and specific code examples will be introduced below. Use the dpkg command to view software package information under the Debian system: dpkg is a packaging tool under the Debian system and can be used to install, delete, and query software.
- Linux Operation and Maintenance 466 2024-02-24 14:33:18
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- Briefly understand the techniques for querying software package information in Linux systems
- In Linux systems, querying software package information is a very common and practical operation, especially when installing, uninstalling, and updating software packages. By querying software package information, we can understand important information such as the version, dependencies, and installation paths of the software package, helping us manage the system more efficiently. This article will introduce several ways to easily master querying software package information under Linux systems, and provide specific code examples. Use apt command (for Debian and Ubuntu systems) in Debian and Ubun
- Linux Operation and Maintenance 1361 2024-02-24 10:27:24
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- Guide on how to check the time of a Linux file
- Linux file time viewing guide In the Linux operating system, each file and directory has its owner, permissions, timestamp and other attributes. Among them, the timestamp includes three parts: access time (atime), modification time (mtime) and change time (ctime). These timestamps record the relevant operation time of files. For system administrators and developers, understanding the timestamp information of files can help them better manage files and track file changes. This guide will show you how to view files through the command
- Linux Operation and Maintenance 631 2024-02-24 09:48:06
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- Teach you how to modify Linux user information
- Linux user information modification tutorial The Linux system is a powerful operating system with a wealth of command line tools that can help users easily perform various operations. In Linux, user information includes user name, user ID, user group ID, home directory, default Shell, etc. This information can be modified through the command line. This article will introduce how to modify user information in a Linux system, and provide specific code examples to help readers get started quickly. First, we need to understand several common commands to operate
- Linux Operation and Maintenance 811 2024-02-24 09:18:07
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- How to view the absolute path of a file in Linux
- Displaying the full path of a file in Linux is a very common and useful operation. By displaying the full path of the file, we can more easily locate the file's location in the system and perform file management and operations. In Linux systems, you can display the full path of the current working directory by using the "pwd" command, and display the full path of a specified file by using the "realpath" or "readlink" command. Next, we will explain in detail how to display the full path of a file in Linux and
- Linux Operation and Maintenance 1209 2024-02-24 08:33:23
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- Learn more about how to modify Linux user information
- Title: Detailed explanation of how to modify Linux user information. In the Linux operating system, the management of user information is a very important operation. User information includes user name, user ID, user group, user home directory, user shell, etc. Understanding how to modify user information is crucial for system management. This article will introduce in detail how to modify user information in Linux systems, and attach specific code examples. 1. View user information Before you start modifying user information, you first need to know how to view user information. Can
- Linux Operation and Maintenance 729 2024-02-24 08:18:22
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- The wide range of uses of the Linux read command: Explore multiple application scenarios
- The Linux system is an open source operating system with powerful functions and flexibility, and the read command is one of the very practical commands. This article will explore various application scenarios of the Linuxread command and provide specific code examples to help readers better understand and use this command. 1. Read user input The most common use of the read command is to read user input. The user can input content through the keyboard, and the read command can save these inputs into a variable and then execute them in the script.
- Linux Operation and Maintenance 672 2024-02-24 08:00:18
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- How to check the number of last lines of a file in Linux
- In Linux systems, there are many ways to view the last few lines of a file. The following will introduce several common methods and give specific code examples. Method 1: Use the tail command. The tail command is a very convenient tool that can display the content at the end of the file. You can specify how many lines to display by adding the -n parameter. The following is a sample code: tail-n10filename.txt The above code will display the last 10 lines of the file filename.txt. Can be based on specific
- Linux Operation and Maintenance 1496 2024-02-23 23:54:06
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- Learn more about the usage of Linux chage command
- Detailed explanation of how to use the Linuxchage command. In Linux systems, the chage command is a tool used to change user account and password expiration information. By using the chage command, you can set the password expiration time, modify the account lock date, and view account and password expiration information. This article will introduce in detail how to use the chage command in Linux systems, and provide specific code examples to help users better understand and master this powerful command. 1.chage command basic syntax ch
- Linux Operation and Maintenance 865 2024-02-23 23:48:26
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- Introducing the common working modes of Vim editor
- Introduction to the commonly used working modes of the Vim editor Vim is a powerful text editor that is widely used in the work of programmers and system administrators. It provides multiple working modes, allowing users to edit and process files efficiently. This article will introduce the commonly used working modes in Vim and provide specific code examples. 1. Normal Mode (Normal Mode) In Vim, normal mode is the default mode. In normal mode, users can browse file contents, move the cursor, copy and paste text, and other operations. Here are some
- Linux Operation and Maintenance 1416 2024-02-23 23:39:06
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- Linux operation tips: How to quickly find the current user
- Title: Linux Operation Tips: Quickly Get the Current Username In the Linux system, getting the current username is a frequently used operation. By getting the current user name, we can perform some operations with specific permissions, or execute different commands according to different users. This article will introduce several methods to quickly obtain the current username and provide specific code examples. 1. Get the current username through the command line: In Linux systems, we can use the whoami command to get the current username. whoami will
- Linux Operation and Maintenance 410 2024-02-23 22:18:27
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- Learn the parameters and usage of Linux chage command
- Title: In-depth understanding of the parameters and functions of the Linuxchage command. As one of the most popular operating systems in the world, the Linux operating system is favored by users for its powerful functions and flexibility. In Linux systems, the chage command is a very useful tool for managing user information such as password expiration and account expiration. Through this command, administrators can easily control users' password policies and enhance system security. This article will delve into the parameters and functionality of the Linuxchage command, as well as
- Linux Operation and Maintenance 854 2024-02-23 20:45:23
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- View the path of files in Linux system
- Viewing the full path of a file in a Linux system is very simple. You can use the pwd command to print the absolute path of the current working directory, or use the readlink command to view the absolute path of a specified file. Specific code examples will be introduced below: Use the pwd command to view the absolute path of the current working directory: $pwd Executing this command will print out the absolute path of the current working directory, for example: /home/user/documents Use the readlink command to view the absolute path of the specified file
- Linux Operation and Maintenance 538 2024-02-23 20:45:06
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- An in-depth discussion of how to start a Linux process
- In-depth understanding of the startup method of Linux processes The Linux operating system is an open source operating system, and its process startup method and management mechanism are the basis for system operation. In Linux, there are many ways to start a process, including through shell commands, system calls, daemons, etc. This article will provide an in-depth introduction to how to start a Linux process through specific code examples. 1. Start the process through the shell command. In Linux, we can start the process by entering the command in the shell.
- Linux Operation and Maintenance 846 2024-02-23 20:42:10
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