命令手册
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。
根据文件名、类型、大小或修改时间在目录层级中高效搜索文件与目录。
使用正则表达式或匹配字符串在文本文件与输出流中搜索内容。
列出目录内容，包括文件大小、读写权限、所有者和修改时间戳。
切换当前工作目录以在 Linux 文件系统层级中快速导航。
打印输出当前工作目录的完整绝对路径。
连接文件并在终端标准输出上打印文件内容。
更改所有者、用户组及其他用户的 Linux 文件读写执行权限。
Change file owner and group attributes.
Create new directories and folder hierarchies.
Remove files or directories from the filesystem.
Copy files and directories to a destination path.
Move or rename files and directories.
Create empty files or update file access and modification timestamps.
Output the first part (top lines) of text files.
Output the last part (bottom lines) of files or stream real-time logs.
Print newline, word, and byte counts for files.
Print text strings or write data to files using shell redirection.
Stream editor for filtering and transforming text using pattern substitutions.
Pattern scanning and column text processing language.
报告当前操作系统中正在运行的活动进程状态快照。
Display real-time Linux processes and system resource utilization.
Interactive process viewer with colorful CPU meters and mouse support.
Send termination or control signals to processes by PID.
Report file system disk space usage across mounted storage partitions.
Estimate file and directory space usage.
Display total amount of free and used physical memory and swap.
通过 HTTP、HTTPS、FTP 和 REST API 在网络服务器之间传输数据。
Non-interactive network downloader for HTTP, HTTPS, and FTP.
创建、查看和解压 .tar 及 .tar.gz 压缩归档文件。
Compress or expand files using Lempel-Ziv coding (LZ77).
Execute a command with superuser (root) security privileges.
Print the effective username associated with the current shell session.
Display or set system date and time.
Print operating system name and kernel architecture.
Display the list of previously executed terminal commands.
Clear the terminal screen display and scrollback buffer.
Locate the executable binary path of a command in system PATH.
Simple, user-friendly in-terminal text editor.
Highly configurable, powerful modal text editor.
Debian and Ubuntu command-line package management tool.
Generate an ASCII art picture of a cow with a message speech bubble.
Generate large text banners using ASCII art characters.
Display directory structure in a recursive visual tree diagram.
Send ICMP ECHO_REQUEST to network hosts to test connectivity and latency.
Print network connections, routing tables, interface statistics, and listening ports.
Securely log into remote Linux servers and execute commands over encrypted connections.
Securely copy files and directories between hosts over SSH connection.
Fast and versatile remote and local file-copying and synchronization tool.
Control and inspect the systemd system and service manager.
Schedule recurring background cron jobs and automated tasks.
Set and export environment variables to child shell processes.