Linux
命令行、权限、进程与服务。
💡
This course has 5 lessons. Start with the first one and use the next / previous links at the bottom of each lesson — the sidebar keeps the whole course in order.
Lessons
- Shell basics and navigationPaths, the commands used every day, and how to read a command line rather than memorizing flags.
- Files and permissionsReading rwx bits, chmod usage without magic numbers, ownership, and finding files quickly.
- Working with textgrep, less, head/tail, pipes and redirection — composing small tools into exactly the answer you need.
- Processes, ports and jobsInspecting what runs, stopping it gracefully, checking which port is busy, and keeping work alive after logout.
- SSH, packages and servicesKey-based login without passwords, copying files safely, installing software, and managing services.
More in DevOps / 工程化
Last refreshed 2026-09-17.