quota (Linux command)

is a Linux command for managing user disk-quotas, i.e. the amount of disk space each user is allowed to use. It can prevent files from being written to if doing so would exceed the disk quota.

Articles

 * quota manpage

Examples
quota -g Disk quotas for group wikigrp (gid 524): Filesystem blocks   quota   limit   grace   files   quota   limit   grace /dev/hda6  50000*  50000   50000    none      53       0       0 Disk quotas for group hypertwinsgrp (gid 508): none Disk quotas for group vbzgrp (gid 523): none