one more ms dos help?

Question

suppose there is directory with files with lots of different type of extensions the how to i delete all the files with just one command
please help very urgent

Answer 1

go inside the directory first by using cd:\..
then del *.*
means deleting all files for all extensions

Answer 2

del*.* there are a lot of dos tutorials on the web just do a search

Answer 3

use rmdir, to remove a folder and del to rem a file

Answer 4

del *.*