특정 파일시스템의 종류만을 대상으로 디스크사용량 조사하기

[root@command root]# df -t ext3
Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/hda2              5036316   1496652   3283832  32% /
/dev/hdb1            118729904 102705776   9992928  92% /backup
/dev/hda1               241116      7587    221081   4% /boot
/dev/hda6            112420772  74125836  32584232  70% /home
[root@command root]# 

[root@command root]# df -t ext2
Filesystem           1k-blocks      Used Available Use% Mounted on
/dev/hdc             118733244  93534688  19167188  83% /backup2
/dev/hdd             118733244  52458312  60243564  47% /backup3
[root@command root]#