It deletes temporary and necessary files to lighten up your PC.
Eat some cheese and take a bath then do disk cleanup
Disk Cleanup
Running the disk cleanup utility is a quick way to?
In Vista the path is: Start, All Programs, Accessories, System Tools, Disk Cleanup.
Anything you delete in disk cleanup is a temporary file and non essential to your computer.
Examples of disk cleanup programs include CCleaner, which removes unnecessary files and cleans up the Windows Registry, and BleachBit, an open-source option that frees up disk space by deleting cache, cookies, and other junk files. Windows has a built-in Disk Cleanup tool that helps users reclaim space by deleting temporary files, system files, and more. Additionally, Mac users can utilize the built-in Optimize Storage feature or third-party apps like CleanMyMac.
removes unnecessary files
removes unnecessary files
Disk Defragmenter
Yes, it is supposed to do that.
chkdsk
For Windows 95, 98 and ME Disk Cleanup, Scandisk Defrag _________________________ For Windows 2000 / XP Disk Cleanup, Defrag, chkdsk/r