quota.user, quota.group - per file system quota database
Description See Also
Each file system with active quotas should contain a quota.user and quota.group file in the file system root. These files are created by quotacheck(8), and should be edited with edquota(8).
quota(1), fstab(5), edquota(8), quotacheck(8), quotaoff(8), quotaon(8), repquota(8)