实战教程
在浏览器中直接体验即开即用的免费在线 Linux 终端。练习 Ubuntu bash 命令，探索虚拟文件系统，完成互动教程。
Linux Terminal Basics & Navigation
Learn how to inspect directories with pwd and ls, navigate absolute and relative paths with cd, and inspect text files with cat.
File & Directory Manipulation
Master creating files with touch and echo, organizing nested folders with mkdir -p, copying with cp, and removing items with rm.
Text Searching & Regex with Grep
Filter log streams and search through large files using essential grep flags (-i, -n, -v) and regex pattern matching.
Linux Permissions & Chmod
Understand read, write, and execute permissions for user, group, and others using octal modes like 755, 644, and 600.
I/O Redirection & Command Pipelines
Chain commands together using pipes (|), redirect standard output with >, append with >>, and filter streams with sort and uniq.
Process Management & System Monitoring
Inspect running system processes with ps aux and top, monitor CPU and memory usage, and terminate hung tasks using kill.
Archiving & Compression with Tar & Gzip
Bundle directories into tarballs with tar -czvf, list archive contents with -tvf, and decompress archives safely with tar -xzvf.
Network Diagnostics with Curl & Ping
Test network latency with ping, inspect HTTP response headers with curl -I, and verify connectivity across remote endpoints.