mac终端常用命令

示例：查看DataCenter目录下所有文件/文件夹的大小
everSeeker:DataCenter pingping$ ls | du -d 1 -h
1.9G    ./Books
1.2M    ./Cnblogs
299M    ./Databases
4.9G    ./DevelopEnviro
 44K    ./Github
382M    ./Jikexueyuan
1.5G    ./Video
8.9G    .
或者
everSeeker:~ pingping$ du -d 1 -h DataCenter/
1.9G    DataCenter//Books
1.2M    DataCenter//Cnblogs
299M    DataCenter//Databases
4.9G    DataCenter//DevelopEnviro
 44K    DataCenter//Github
382M    DataCenter//Jikexueyuan
1.5G    DataCenter//Video
8.9G    DataCenter/