Click the blue “Most Coders” to follow me! Add a “Star“, every day at 18:03 to learn technology together Linux Permissions (A Comprehensive Understanding of Linux Permissions) • 1. Two Types of Users in Linux • • Super User (root) and Regular User • su Command • sudo Command • 2. Linux Permission Management • … Read more
1. Basics of the ps Command ps (Process Status) is the core command in Linux systems for viewing process status, functioning like taking a “snapshot” of the running system, instantly presenting key information about all active processes. Syntax Format The ps command supports three styles of options, and beginners often make mistakes by mixing formats. … Read more
The find command is one of the most powerful and commonly used file search tools in Linux systems. It allows users to search for files in a directory tree based on various criteria (such as filename, size, modification time, permissions, etc.) and perform operations on the found files. This article will detail the basic syntax … Read more
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In Linux, every file is associated with timestamps, which store information such as the last access time, last modification time, and last change time. Therefore, whenever we create a new file, access, or modify an existing file, the timestamps of that file are automatically updated. This article will introduce some practical examples of the Linux … Read more
Create DirectoryCreate a subdirectory in the current directory # Create a subdirectory named mengyuan in the current directory mkdir ./mengyuan Create multiple levels of subdirectories in the current directory # Create a subdirectory named mengnianxi in the subdirectory named mengyuan in the current directory # Note: With the -p parameter, if the subdirectory named mengyuan … Read more
Weekly Linux Command (netstat) Command Overview (netstat) netstat (network statistics) is a command-line tool used to display network connections (incoming and outgoing), routing tables, and various network interface (network interface controllers or software-defined network interfaces) and network protocol statistics. It can also be used to diagnose network issues, print status information about the network system … Read more
Click the blue text to follow us This article summarizes super practical Linux commands, absolutely packed with useful information. cd command 1. Syntax cd [target path] The target path can be an absolute path or a relative path. 2. Function Switch the current working directory to the specified directory. 3. Common Usage cd .. Switch … Read more
Click the blue text above to follow us Resource ReleaseLinux Beginner to Advanced Practical Course↓ Scan to watch the video ↓ Introduction to the Linux last Command The last command in Linux is used to display information about all recently logged in and logged out users. This command is very convenient and practical when we … Read more
The history command is an indispensable and powerful tool in the daily use and management of Linux systems. It not only records the commands executed by the user but also helps us quickly review the operation history, troubleshoot issues, and even improve work efficiency to some extent. This article will start with the basic usage … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join our technical exchange QQ group with a note【Public Account】for faster approval Before explaining the permission issues, I would like to briefly introduce the essence of commands and the role of the command line interpreter. Introduction 01 The Essence of Commands Entering a … Read more