Package quota

System administration tools for monitoring users' disk usage

http://sourceforge.net/projects/linuxquota/

The quota package contains system administration tools for monitoring
and limiting user and or group disk usage per file system.

General Commands
Command Description
quota display disk usage and limits
quotasync synchronize in-kernel file system usage and limits to disk format
System Administration
Command Description
convertquota convert quota from old file format to new one
edquota edit user quotas
quot summarize filesystem ownership
quotacheck scan a filesystem for disk usage, create, check and repair quota files
quotaon turn filesystem quotas on and off
quotastats Program to query quota statistics
repquota summarize quotas for a filesystem
setquota set disk quotas
xqmstats Display XFS quota manager statistics from /proc