I love the command line. However, most people can’t just live on the command line, GUI’s can be pretty useful :P. I find myself spawning GUI programs from the command line a lot, and here are two tips which make doing that a pleasant experience:
This document describes how to set up TrueCrypt with GUI on Ubuntu 7.10. TrueCrypt is a free open-source encryption software for desktop usage.
Backing up your data is critical. Hard drives fail, filesystems currupt, and in general, bad things just happen. But until now, there's been no easy way for most people to backup their data in Linux; most backups consisted of rsync tied to a cron job - far too complex for the average user.