시스템 서버용량 알아보기

[root@ns ~]# df -hFilesystem Size Used Avail Use% Mounted on/dev/mapper/VolGroup00-LogVol00 50G 45G 2.9G 94% //dev/sda1 99M 26M 69M 27% /bootnone 1014M 0 1014M 0% /dev/shm/dev/sdb1 272G 39G 219G 16% /home3