I've just installed Ubuntu 8.04 (Hardy Heron) and discovered that there is now a version of Filezilla for Linux.
Here is a screenshot of Filezilla on Ubuntu:
Filezilla is an FTP program that I used to use on Windows. I've always missed it on Linux, but now there is a Linux version too... a great benefit to Linux Web design and development.
What FTP program do you use on Linux?