how to remove unwanted temporary files from computer

How to remove unwanted temporary files from computer by using command prompt.

- click on "START" 

- select "RUN"

- type "temp" press "OK"

- delete all files from the pop up windows

- click on "START" 

- select "RUN"

- type "%temp%" press "OK"

- delete all files from the pop up windows

- click on "START" 

- select "RUN"

- type "prefetch" press "OK"

- delete all files from the pop up windows

Some files were not delete by manualy for that we need to use command prompt to delete these files.

- click on "START" 

- select "RUN"

- type "CMD" press "OK"

- type for xp - "Cd local*"  /   vista - "cd app*"

- "cd temp"

- "del *.* /s/q/f"

after finish type the below command

- "cd c:\windows\temp"

- "del *.* /s/q/f"

after finish type the below command for xp only, ithe below command is not work for vista computer

- "cd.."

- "cd prefetch"

- "del *.* /s/q/f"