Next, set up a logical partition to contain your data files. These are the most important files on your entire system. These are all of the files you created with your application programs. If you use Office, these are your documents, spreadsheets, and databases. If you use Quicken, these are your checkbook register. If you trace your genealogy, this is the database of all of your ancestors that you have worked years to collect. Your data partition size depends on the size of your data files. I’d start with 2-3GB and increase that later if you need to.
	These important data files must be protected by backing them up frequently. By placing them all in one partition, it makes the task of backing them up much easier and hence you will do it more frequently. We even have a special product to help you automatically backup these critical data files for you. We’ll take about that later. Another advantage of backing up your data files is to protect them from viruses. Viruses must attach to executable code in order to work. By removing your important data files from your applications and operating systems, you are moving them one step further away from potential viruses.