=== User Quotas ===
Set a quota of 1 Gigabyte for the user 4000187(the values are in kilobytes, so 1048576 kilobyte are 1024 megabytes which corresponds to 1 gigabyte):
/usr/sbin/setquota -u 4000187 0 1048576 0 0 /var/backup
Read the quota information for the user 4000187:
quota -usv uv 4000187
Disk quotas for user 4000187 (uid 4000187):
Filesystem blocks quota limit grace files quota limit grace
/dev/vdb1 0 0 1024M 1048576 0 0 0 7 0 0
Using xfs_quota gives us a nicer result: