目录一. du 查看磁盘空间占用情况1.1 -h以人类可读的格式显示文件大小1.2 -s仅显示总计大小1.3 --max-depth指定文件夹的层级1.4 按从体积大到小的顺序显示文件夹1.5 按照从大到小的顺序列出指定文件夹的文件1.5.1 方式11.5.2 方式2二. df 显示文件系统磁盘空间2.1 用于显示系统级别磁盘分区上的可用和已用空间的信息2.2 每秒钟监视当前磁盘的使用情况2.3 计算总计一.du查看磁盘空间占用情况⏹du是Linux / Unix系统中查看磁盘空间占用情况的命令全称是Disk Usage。1.1-h以人类可读的格式显示文件大小会显示各子文件夹的大小和总文件夹的大小子文件夹会递归显示所有的层级apluserFengYeHong-HP:work$du-h/home/apluser/work/ 36K /home/apluser/work/0725 12K /home/apluser/work/20250929 16K /home/apluser/work/08248.0K /home/apluser/work/08154.0K /home/apluser/work/202511234.0K /home/apluser/work/0915_014.0K /home/apluser/work/0622 12K /home/apluser/work/0727 63M /home/apluser/work/07244.0K /home/apluser/work/test 12K /home/apluser/work/20251109 76K /home/apluser/work/20251205 64M /home/apluser/work/1.2 -s仅显示总计大小仅展示指定文件夹的大小并不会显示各子文件夹的大小apluserFengYeHong-HP:work$du-sh/home/apluser/work/ 64M /home/apluser/work/1.3--max-depth指定文件夹的层级如果不指定层级的话当一个文件夹下的所有层级都会被递归显示apluserFengYeHong-HP:work$du-h/home/apluser/|head-n1058M /home/apluser/download/netease/cloudmusic/Music4.0K /home/apluser/download/netease/cloudmusic/Video/PrivateMessage8.0K /home/apluser/download/netease/cloudmusic/Video 58M /home/apluser/download/netease/cloudmusic 58M /home/apluser/download/netease 744K /home/apluser/download/email 259M /home/apluser/download4.0K /home/apluser/.docker/buildx/defaults4.0K /home/apluser/.docker/buildx/instances8.0K /home/apluser/.docker/buildx/activity通过--max-depth指定显示的层级apluserFengYeHong-HP:work$du-h--max-depth1/home/apluser/ 259M /home/apluser/download 140K /home/apluser/.docker 24K /home/apluser/.ssh8.0K /home/apluser/.config 48K /home/apluser/.local 208K /home/apluser/.dotnet 64M /home/apluser/work 184M /home/apluser/.vscode-server 16K /home/apluser/.cache 61M /home/apluser/curl-8.15.0 52K /home/apluser/.vscode-remote-containers 67M /home/apluser/project 12K /home/apluser/key 637M /home/apluser/1.4 按从体积大到小的顺序显示文件夹apluserFengYeHong-HP:work$du-h--max-depth1/home/apluser/|sort-hr637M /home/apluser/ 259M /home/apluser/download 184M /home/apluser/.vscode-server 67M /home/apluser/project 64M /home/apluser/work 61M /home/apluser/curl-8.15.0 208K /home/apluser/.dotnet 140K /home/apluser/.docker 52K /home/apluser/.vscode-remote-containers 48K /home/apluser/.local 24K /home/apluser/.ssh 16K /home/apluser/.cache 12K /home/apluser/key8.0K /home/apluser/.config1.5 按照从大到小的顺序列出指定文件夹的文件1.5.1 方式1find /home/apluser/ -type f -exec du -h {} | sort -hr | head -n 5apluserFengYeHong-HP:~$find/home/apluser/-typef-execdu-h{}|sort-hr|head-n5109M /home/apluser/download/com.termux_1002.apk 93M /home/apluser/download/Google-Play_48.9.30-23.apk 89M /home/apluser/.vscode-server/bin/b58957e67ee1e712cebf466b995adf4c5307b2bd/node 21M /home/apluser/work/0724/shuffled.csv 21M /home/apluser/work/0724/bigfile.csv1.5.2 方式2find /home/apluser/download -type f -print0 | xargs -0 ls -lhS-type f只找文件不含目录-print0 -0防止文件名有空格 / 中文 / 日文-lhS-l 详细信息-h人类可读-S 按文件大小排序从大到小apluserFengYeHong-HP:~$find/home/apluser/download-typef-print0|xargs-0ls-lhS-rw-r-----1apluser apluser 109M Nov2421:47 /home/apluser/download/com.termux_1002.apk -rw-r-----1apluser apluser 93M Dec515:13 /home/apluser/download/Google-Play_48.9.30-23.apk -rw-r-----1apluser apluser 12M Nov1620:36/home/apluser/download/netease/cloudmusic/Music/ヰ世界情緒 - そして白に還る.ncm-rw-r-----1apluser apluser 11M Nov1620:36/home/apluser/download/netease/cloudmusic/Music/KOKIA - クルマレテ.ncm-rw-r-----1apluser apluser 11M Nov1122:24/home/apluser/download/netease/cloudmusic/Music/Pizzicato Strings - Cailleach Bheur .mp3-rw-r-----1apluser apluser9.3M Nov1620:36/home/apluser/download/netease/cloudmusic/Music/陰陽座 - 甲賀忍法帖.ncm-rw-r-----1apluser apluser8.3M Nov2412:32/home/apluser/download/netease/cloudmusic/Music/咻咻满 - 无归.ncm-rw-r-----1apluser apluser6.4M Nov1620:36/home/apluser/download/netease/cloudmusic/Music/黄龄 - 小雨.ncm-rw-r-----1apluser apluser 378K Nov262023/home/apluser/download/email/JMW110120.pdf -rw-r-----1apluser apluser 149K Jun302023/home/apluser/download/email/誓約書(2ページ割付印刷用).pdf-rw-r-----1apluser apluser 61K Jun302023/home/apluser/download/email/recruit(氏_名) .xlsx-rw-r-----1apluser apluser3.5K Nov262023/home/apluser/download/email/JMW110120_pass.zip -rw-r-----1apluser apluser3.5K Nov262023/home/apluser/download/email/JMW110120_nopass.zip -rw-r-----1apluser apluser78Oct312022/home/apluser/download/qidm二.df显示文件系统磁盘空间⏹df的全称是Disk Free是 Linux 和类 UNIX 系统中用于显示文件系统磁盘空间使用情况的工具能够查看磁盘的总容量、已用空间、可用空间及挂载点等信息。2.1 用于显示系统级别磁盘分区上的可用和已用空间的信息-h以人类可读的格式显示文件系统大小2.2 每秒钟监视当前磁盘的使用情况watch用于周期性的执行特定的命令-n 1表示每一秒刷新一次命令执行的结果df -h ./表示周期性执行的命令watch-n1df-h./2.3 计算总计df -h --totalapluserFengYeHong-HP:~$df-h--totalFilesystem Size Used Avail Use% Mounted on none3.9G03.9G0% /usr/lib/modules/6.6.87.1-microsoft-standard-WSL2 none3.9G4.0K3.9G1% /mnt/wsl drivers 223G 132G 92G59% /usr/lib/wsl/drivers /dev/sdd 1007G1.7G 955G1% / none3.9G 84K3.9G1% /mnt/wslg none3.9G03.9G0% /usr/lib/wsl/lib rootfs3.9G2.7M3.9G1% /init none3.9G03.9G0% /run none3.9G03.9G0% /run/lock none3.9G03.9G0% /run/shm none3.9G03.9G0% /run/user none3.9G 76K3.9G1% /mnt/wslg/versions.txt none3.9G 76K3.9G1% /mnt/wslg/doc C:\223G 132G 92G59% /mnt/c D:\15G 13G1.7G89% /mnt/d E:\481G 67G 414G14% /mnt/e F:\452G 35G 417G8% /mnt/f total2.4T 379G2.0T16% -