Comment by sdfsdfgsdgg

> tar -l if you wanna list, l for list.

Surely you mean -t if you wanna list, t for lisT.

l is for check-Links.

     -l, --check-links
             (c and r modes only) Issue a warning message unless all links to each file are archived.

And you don't need to uncompress separately. tar will detect the correct compression algorithm and decompress on its own. No need for that gunzip intermediate step.