[CentOS] About the tar extract signal directory~~

Majian wrote:
> Hi,all:
>
> I've couple of large tarballs such as www.tar and images.tar.
>  Is it possible to extract a single file or a list of files from a 
> large tarball such as images.tar instead of extracting the entire tarball?
>  How do I extract specific files under Linux / UNIX operating systems?
>

man tar