磁盘与存储CLI Manual
$du
Estimate file and directory space usage.
命令语法POSIX Standard
du [OPTIONS] [FILE...]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
`du` (Disk Usage) measures the space occupied by individual files and folders on disk. Unlike `df` which inspects entire partitions, `du` recursively scans directories to identify which folders or log files are consuming disk space.
常用参数与选项说明
| Flag / Option | Description |
|---|---|
| -s, --summarize | Display only a total sum for each specified directory argument. |
| -h, --human-readable | Print sizes in human readable format (e.g., 24K, 500M, 4G). |
| -d, --max-depth=N | Print total for a directory only if it is N or fewer levels below. |
实际生产案例与代码范例
#1Check folder size summary
du -sh /var/logOutputs the total human-readable size of the /var/log directory.