This article is based on notes taken during a freshman Linux class, aimed at helping students review after class. The content is derived from the book “Linux Network Operating System Configuration and Management” edited by Teacher Xia Liqin. I hope everyone can learn together and make progress. 1. Usage of Directory Operation Commands 1. View … Read more
🐧 Linux File and Directory Management The directory structure of the Linux system is tree-like, with the top level being the root directory <span>/</span>. All files and directories start from <span>/</span> and are added to the system tree through “mounting”. 📂 1. Path Basics: Absolute Path and Relative Path Before operating the Linux file system, … Read more
1. Core Purpose & Concepts Core Purpose: Use specific command-line tools to create new, empty files and directories (folders), thereby starting to modify the file system. Core Terminology: <span>touch</span>: A command used to create empty files or update the timestamp of existing files. <span>mkdir</span> (Make Directory): A command used to create empty directories. Redirection <span>></span>: … 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
Linux Directory Management Commands1. Displaying the Path (pwd) 1. Command Function The pwd command is used to display the absolute path of the current working directory. 2. Command Format The format of the pwd command is:pwd.3. Command Examples Example 1: Log in as the root user and display the home directory of the root user. … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇1000 people technical exchange QQ group, note 【public account】 for faster access Introduction The Linux operating system, with its powerful stability, flexibility, and openness, plays an important role in servers, desktops, and embedded systems. In the world of Linux, files and directories are the … Read more