查看當前目錄下文件大小
[root@izm5e33l0ge76tvdj3qtnfz var]# du -sh * 4.0K adm 190M cache 4.0K crash 24K db 8.0K empty 4.0K games 4.0K gopher 12K kerberos 79M lib 4.0K local 0 lock 194M log 0 mail 4.0K nis 4.0K opt 4.0K preserve 0 run 60K spool 12K tmp 4.0K yp
查看所在文件夾的大小
[root@izm5e33l0ge76tvdj3qtnfz log]# du -sh 194M