Linux Touch Command 1. Introduction In Linux systems, <span>touch</span> is a simple yet powerful command-line tool primarily used to create empty files or update the access and modification timestamps of files. Although its functionality appears straightforward, by combining different options and scenarios, the <span>touch</span> command can achieve many advanced uses, especially in scripting, file management, … Read more
Basic Attributes of Linux Files The Linux system is a typical multi-user system where different users have different roles and permissions. To protect the security of the system, Linux has different regulations for user access to the same file (including directory files). In Linux, we can use the ll or ls -l command to display … Read more
Click the blue text to follow us When the disk space is full, it can lead to application anomalies. How should we troubleshoot the issue of full disk space? First, we need to confirm the disk space usage. To check the disk space usage, we can use the df command. [root@VM-181-124 ~]# df -h Filesystem … Read more
Introduction to Linux Inodes In the Linux file system, inode (index node) is a core concept used to store file metadata, serving as the foundation for file system management of files and directories. 1. What is an Inode? An inode (index node) is a structure in the Linux file system used to store file metadata. … Read more
Summary of Linux File Directories, Disk File Systems, and Compression Commands File and Directory Management Basic Commands • ls – List directory contents ls # List files and directories in the current directory ls -l # Long format to display detailed information ls -a # Show all files (including hidden files) ls -la # Show … Read more
Click the “blue text” above to add it to your “starred” or “pinned” list. Essential content delivered to you first. From: Liangxu Linux (WeChat ID: liangxuxiansheng) Time travel? Is that just a scene from a movie? Liangxu, are you trying to fool us again? No, not at all. Here, Liangxu will introduce the touch command, … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join our technical exchange QQ group with the note 【Public Account】 for faster approval Linux Course Notes Directory Structure /：Root directory, the only top-level directory Path example: /home/itheima/a.txt indicates the a.txt file in the home/itheima folder under the root directory Basic Commands ls: … Read more
1. Introduction to Linux Linux is an open-source Unix-like operating system kernel, first released by Linus Torvalds in 1991. Today, Linux has become a mainstream operating system in fields such as servers, embedded devices, and supercomputers. Linux Distributions Ubuntu – A popular distribution suitable for beginners CentOS/RHEL – Commonly used in enterprise-level servers Debian – … Read more
“Just a little click, please follow me~”👇 “You know—when a person is feeling down, they particularly enjoy watching the sunset.” — Antoine de Saint-Exupéry, “The Little Prince” In Python programming, operations on directories are a fundamental and important skill. Whether for file management, data processing, or project deployment, operations such as creating, deleting, and traversing … Read more
PLC File Management: Engineering Archiving Standards to Avoid Version Confusion! Introduction Hello everyone! Today I want to talk about a seemingly ordinary but extremely important topic — PLC Engineering File Management.<span>"Isn't it just storing a file? What's so difficult about it?"</span> I believe many engineers have thought this way, but reality can often be harsh: … Read more