Do you prefer to use a large hard disk or several different partitions ? You can answer this question in the “Help with setting up storage space” dialog box. The option already selected (that of the hard disk) is, in general, the one that we recommend for your Ubuntu server.
In the next window, the wizard displays a summary of your file system. If you see several partitions there even though you have not opted for this option, don’t worry: Ubuntu automatically sets aside small partitions of your hard disk for them. system files the most important and your boot loader.