Mac 根目录17个文件夹
ben:/ soul$ ls -ll
total 45
drwxrwxr-x+ 52 root admin 1768 8 30 14:41 Applications
drwxr-xr-x+ 60 root wheel 2040 8 27 22:15 Library
drwxr-xr-x@ 2 root wheel 68 7 13 13:37 Network
drwxr-xr-x+ 4 root wheel 136 8 5 16:32 System
drwxr-xr-x 6 root admin 204 8 27 20:01 Users
drwxrwxrwt@ 3 root admin 102 8 30 21:52 Volumes
drwxr-xr-x@ 39 root wheel 1326 8 5 16:33 bin
drwxrwxr-t@ 2 root admin 68 7 13 13:37 cores
dr-xr-xr-x 3 root wheel 4197 8 30 21:51 dev
lrwxr-xr-x@ 1 root wheel 11 8 5 16:28 etc -> private/etc
dr-xr-xr-x 2 root wheel 1 8 30 22:07 home
-rw-r--r--@ 1 root wheel 313 7 25 12:37 installer.failurerequests
dr-xr-xr-x 2 root wheel 1 8 30 22:07 net
drwxr-xr-x@ 6 root wheel 204 8 5 16:33 private
drwxr-xr-x@ 59 root wheel 2006 8 5 16:33 sbin
lrwxr-xr-x@ 1 root wheel 11 8 5 16:29 tmp -> private/tmp
drwxr-xr-x@ 12 root wheel 408 8 27 22:16 usr
lrwxr-xr-x@ 1 root wheel 11 8 5 16:29 var -> private/var
ben:/ soul$