[root@linux Oracle]# du -hs flash_recovery_area/ 392M flash_recovery_area/ [root@linux oracle]# du -h flash_recovery_area/ 4.0K flash_recovery_area/ORCL/onlinelog 294M flash_recovery_area/ORCL/archivelog/2011_11_18 98M flash_recovery_area/ORCL/archivelog/2011_11_19 392M flash_recovery_area/ORCL/archivelog 392M flash_recovery_area/ORCL 392M flash_recovery_area/