Opening Tar Files

[kkhan idirect com]

Hi,

I am having trouble opening up a tar file. The name of the file is
GTKstep[1].tar.gz that I downloaded from gtk site. I am having trouble
'untaring' it. I can see the file in file manager and looks fine, but I
can't open it... I dont think I am using the right command..

	Can someone give me the correct command to untar a file please? 

Thanks.

Kashif

Also is there a utility out there like winzip that does tarfiles?