INFORMATION TECHNOLOGY

Utilities
Disk cleaner detect the data that are unused to computer operation. When the hard disk is full the user decided to clean the files .Cleaner is shareware and freeware software which optimize privacy and cleaning tools.
Disk cleaner clean the unnecessary file from the system allowing window to run very faster and makes space on disk. Disk cleaner can be used in online activities like as our internet histories for example are:-

· internet explorer
It contain temporary file, history etc.
· window explorer
Document, run etc are the window explorer unnecessary file.
· System
It contains file data such as empty recycle bin, temporary file, memory dump etc.

I used Microsoft window vista ccleaner utility program which helped to clean unnecessary file from the system. when I click on analyze button it search the details files to be delete from computer and click on run cleaner then it clean file like application data, cookies, temp etc