Disk Defrag
Most Microsoft Windows users know that from time to time, they have to "defrag" their hard drives. But most users probably don't know why the y have to defrag, and just what defrag means. Geek Girls has a pretty good explanation of the what ("Sometimes when you install a program or create a data file, the file ends up chopped up into chunks and stored in multiple locations on the disk. This is called fragmentation "), and a partial expanation of the why: Why should you bother with the housework? A couple of reasons. First, disks are hard working, mechanical devices and, like all mechanical devices, prone to failure. A little preventative maintenance can warn you of potential problems and fix minor glitches before they can do damage to your data. Second, the way files are organised on your drive has a perceptible impact on the performance of your computer. If your files are stored neatly, end-to-end, without fragmentation, reading and wr...