You can't have too much disk space, especially when you need to share a computer with other people. But what do you do when your 120 GB hard disk gets filled up with mp3 files, wav files, movie files and all sorts of other downloads done by other people who use the computer? You can solve this problem with Disk Quotas. If you're the computer administrator, you can limit how much disk space other people can use on each partition. Here's how:

1. Click Start and click My Computer. Right click on any NTFS formatted drive. You cannot set Quotas for drives formatted in FAT32. Click on the Properties command.
2. Click on the Quota tab in the Properties dialog box and put a checkmark in the Enable Quota Management checkbox. Put checkmark in the Deny disk space to users exceeding quota limit checkbox. Put checkmarks in both the logging checkboxes. Click the Quota Entries button.
3. In the Quota Entries dialog box, click the Quota menu and click New Quota Entry command. In the Select Users dialog box, enter the name of the user or group that you want to restrict. Click OK.
4. In the Add New Quota Entry dialog box, select the Limit disk space to option, then enter a number of megabytes to give the user. Click the down arrow to select MB. Set the warning level to how many MB's you want the person or group to use before they're warned. Click OK.

Now your space hogs will be limited to the amount of space you set for them here. Make sure everyone but you is a limited user, or they'll be able to reset the Quota and undo what you did. Remember that you have to repeat the procedure for each partition you want to set a quota on. This is another reason why you want all your partitions formatted as NTFS.