zip large files

[eluser]tamara6[/eluser]
Thanks for the answer. I'm not sure how it would help me, though. I have more than enough hard drive space for all my images. My main problem is, I guess, holding the zip file in RAM and then sending it all out. The computer has 2 GB of RAM, and the only thing running on it are apache and this code igniter app (and, of course, the OS). So you'd think sending out a 70 MB zip file should be a fairly easy job....