If you are not the only person using your computer, you might want to Limit the amount of storage space that every user can use. If you do that, you ensure that the storage space on a specific drive or partition is never filled up by only one user account. Everybody has their personal space to fill, and nobody can trespass his or her limits. In Windows, this is called disk quotas, and, in this tutorial, we show you how to use quotas to limit the space of each user: