Root Add files to a zip on Linux?

[bcrichster]

I'm on Mint 15 and was wondering what I may need to do to add files to an existing zip? Thank you in advance if you can help! :beer:

 

[SuperR]

I'm on Mint 15 and was wondering what I may need to do to add files to an existing zip? Thank you in advance if you can help! :beer:

http://androidforums.com/warp-sequent-all-things-root/696947-stock-rom.html#post5943425 this post has useful info