Disk Optimization

The purpose of Disk optimization is to optimize the time it takes to read and write files to and from the hard drive. This is accomplished using the combination of several tasks as briefly listed below.

Defragmentation

Fragmentation occurs when the system cannot or will not allocate enough contiguous space to store a complete file as a unit, but instead puts parts of it in gaps between other files (usually those gaps exist because they formerly held a file that the operating system has subsequently deleted or because the operating system allocated excess space for the file in the first place). Advances in technology are bringing us larger and larger disk drives, the performance loss due to fragmentation squares with each doubling of the size of the drive. Larger files and greater numbers of files also contribute to fragmentation and consequent performance loss. Defragmentation restores a drive to its original speed. It also moves infrequently used files further from the directory area.

Move all the index or directory information to one spot. Move this spot into the center of the data, e.g. one third of the way in, so that head travel to data is halved compared to having directory information at the front.

1. Cluster files around the directory area.
2. Move infrequently used files further from the directory area.
3. Obey a user provided table of file descriptions to emphasize or ignore.
4. Make files contiguous so that they can be read without unnecessary seeking.

Windows Startup Programs

Every time any computer boots up it launches many programs which "run in the background". This means that the various pieces of software are loaded into memory and are ready to run but they do not occupy a button on the taskbar; sometimes they will have a position in the System Tray (Notification Area). Some of these programs are valid and should be left alone, while others eat-up system resources thus slowing your system to a crawl as well as possibly posing dangers to your system and should be removed.

Drivers

A device driver or a software driver is a type of computer software that is typically developed to allow interaction with hardware devices. Typically this is an interface for communicating with the hardware device. These drivers are normally written by the hardware vendor. These drivers can become obsolete for various reasons and should be checked for new versions occasionally.

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