du

• du
  显示当前目录的所有文件以及所有子目录的文件大小

cc@MyLinux:~/vundle$ du
8   ./test/files
20  ./test
8   ./.git/refs/heads
4   ./.git/refs/tags
8   ./.git/refs/remotes/origin
12  ./.git/refs/remotes
28  ./.git/refs
8   ./.git/info
4   ./.git/branches
44  ./.git/hooks
8   ./.git/logs/refs/heads
8   ./.git/logs/refs/remotes/origin
12  ./.git/logs/refs/remotes
24  ./.git/logs/refs
32  ./.git/logs
4   ./.git/objects/info
1020    ./.git/objects/pack
1028    ./.git/objects
1168    ./.git
8   ./syntax
48  ./autoload/vundle
56  ./autoload
8   ./ftplugin
20  ./doc
1328    .

• du -h
  以人类的角度直观的显示当前目录或指定目录/文件的大小

cc@MyLinux:~/vundle$ du -h
8.0K    ./test/files
20K ./test
8.0K    ./.git/refs/heads
4.0K    ./.git/refs/tags
8.0K    ./.git/refs/remotes/origin
12K ./.git/refs/remotes
28K ./.git/refs
8.0K    ./.git/info
4.0K    ./.git/branches
44K ./.git/hooks
8.0K    ./.git/logs/refs/heads
8.0K    ./.git/logs/refs/remotes/origin
12K ./.git/logs/refs/remotes
24K ./.git/logs/refs
32K ./.git/logs
4.0K    ./.git/objects/info
1020K   ./.git/objects/pack
1.1M    ./.git/objects
1.2M    ./.git
8.0K    ./syntax
48K ./autoload/vundle
56K ./autoload
8.0K    ./ftplugin
20K ./doc
1.3M    .

• du -s
  显示文件目录总共大小（不分别显示子目录）

cc@MyLinux:~/vundle$ du -s
1328    .

• du -sh
  以人类的角度直观的显示文件目录总共的大小

cc@MyLinux:~/vundle$ du -sh
1.3M    .

-du -hc file1 file2 file3 dir1
显示多个文件和目录的总容量（展开目录显示）

[cc@hadoop01 nginx-1.8.1]$ du -hc auto CHANGES conf LICENSE 
32K auto/os
20K auto/lib/openssl
8.0K    auto/lib/google-perftools
24K auto/lib/sha1
8.0K    auto/lib/libgd
12K auto/lib/libatomic
24K auto/lib/zlib
8.0K    auto/lib/geoip
8.0K    auto/lib/libxslt
24K auto/lib/md5
28K auto/lib/pcre
12K auto/lib/perl
192K    auto/lib
20K auto/types
52K auto/cc
448K    auto
248K    CHANGES
40K conf
4.0K    LICENSE
740K    总用量

-du -shc *
显示当前目录下的文件和子目录（不展开子目录）的大小，并以人类直观的方式展现

[cc@hadoop01 nginx-1.8.1]$ du -shc *
448K    auto
248K    CHANGES
376K    CHANGES.ru
40K conf
4.0K    configure
100K    contrib
12K html
4.0K    LICENSE
4.0K    Makefile
12K man
124K    objs
4.0K    README
4.4M    src
5.8M    总用量

总结：

du 常用参数 -s -c -h 并且可以组合使用

-h, --human-readable    print sizes in human readable format(e.g., 1K 234M 2G)  
-c, --total   produce a grand total

其他具体参数请查看man手册