Get the statistics of "the usage of disk " for every user

Could use more important such as does 10TB span several filesystems? Are users restricted to only using disk space in home directories? What Linux OS and build are you using? Without knowing I'm going to assume a current OS with quota software installed by default. I would start with enabling the built in quota function on the filesystem and setup the quota very very high with a long grace period to start. Do it on a non production system until you understand it because it affects all users such as a database user like MySQL. Can bring things to a halt otherwise. Then you could get that info easily. Again it depends on how you configured the filesystem in the first place. Your English was just fine. One article http://www.linux.com/feature/118885 Another article http://downloads.techrepublic.com.com/5138-10877-6070368.html I always use quotas with my large filesystem customers.