want to remove autorun.inf from drives

1-go to start click on run and type cmd
2-type "attrib autorun.inf -s -h -r"(it will show you a number of files in which one will be autorun.inf but neglect them)
3-type "del autorun.inf"
4-repeat the second step again and you will notice that the files displayed now will not be consisting autorun.inf which means it's gone)
5-repeat all these steps with all your drives and for making it possible for the windows drive you have to type "cd.."once and then once again in the second line and it will come from c:\documentandsettings
\username>     to     C:\