Introduction Have you noticed a problem in the previous lessons? A significant portion of the commands we have taught so far directly outputs to the terminal screen. For example, you should have developed muscle memory for the ls command. Whether you successfully run the ls command and get a file list or the command fails … Read more
Click the blue “Most Programmer” to follow me! Add a “Star“, every day at 18:03 to learn technology together Understanding Linux Permissions Thoroughly (Detailed Analysis, Must-Read for Beginners) 1 Linux Permission Concepts In Linux, permissions are a mechanism to control user access to files and directories. Each file and directory has three basic permissions: read … Read more
In the context of Linux server operation and development, the automated management of Baidu Cloud files often faces two major challenges: the official client lacks Linux support, and the web interface is difficult to integrate into script workflows.This article will unlock a graphical interface-free cloud storage operation solution using the command line tool bypy—from environment … Read more
Basic Syntax of Linux There is no need to elaborate on what Linux is and why one should learn it. This article mainly records the syntax of Linux. The usage of Linux is quite different from Windows, but since I have a certain foundation in R language, I feel that there are some commonalities between … Read more
In Linux systems, files are automatically cached in memory (Page Cache) when read. However, if you want to proactively warm up the cache (preload files into Cache), you can use the following methods: — ## **1. Use the `dd` Command to Read Files (Trigger Cache)** dd if=filename of=/dev/null bs=1M – **Purpose**: Read the file without … Read more
![Chapter 2: Basic Linux Commands, Practical Examples of the [touch] Command](https://boardor.com/wp-content/uploads/2025/10/a88f1ebc-0dba-4a61-8127-15fd0dd2336b.jpg)
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
There are three types of permissions: rwx, which stand for read, write, and execute. Files correspond to three object groups. Each object group protects the three types of permissions: rwx. The three object groups are the owner’s permissions, the group’s permissions, and the permissions for other users in the system. Binary representation of permissions: r … 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
1. Basics 2. Help Commands 3. File and Directory Management (Part 1) 4. File and Directory Management (Part 2) 5. Permission Management 6. Vim Text Editor 7. File System and File Search 8. System Management 9. Disk Partitioning, Logical Volumes, and Boot Repair 10. Understanding BASH in Shell 11. Basic Shell Commands 12. Text Operations