Disk space usage by individual users can be monitored and limited. Maximum disk usage and warning levels can be set. The disk space usage is assigned to the owner of the file. Quotas are set on a per-volume basis to NTFS volumes. The quota amount is the number of bytes in the file and does not include cluster waste nor does it give credit if the file is compressed.

Enable the quota system in the volume property dialog as shown below.

Once enabled, all file space as assigned to the owner. Each user's usage can be reviewed in the Quota Entries dialog as shown below.

Keyboard Exercise

Enable the Quota system and then check the Quota Entries.