权限与安全CLI Manual
$sudo
Execute a command with superuser (root) security privileges.
命令语法POSIX Standard
sudo [OPTIONS] COMMAND在交互式终端沙盒中实时运行
无需安装的客户端实时仿真环境。
bash — terminal
AST Sandbox (Free)
概述与工作原理
`sudo` (SuperUser DO) allows authorized users to execute sensitive system administration commands with root privileges according to the `/etc/sudoers` policy.
常用参数与选项说明
| Flag / Option | Description |
|---|---|
| -i, --login | Launch an interactive login shell as the root user. |
| -u [user] | Run command as a specified user instead of root. |
| -l | List allowed and forbidden commands for the invoking user. |
实际生产案例与代码范例
#1Update system package index as root
sudo apt updateElevates privileges to refresh package repositories.