Learn how to install and use TrueCrypt Password Encrypted Disk program for greater security from hackers who want to read your data. I will teach you how to install TrueCrypt in Ubuntu 9.10 by running the install script you download from truecrypt.org/downloads . Scroll down to the bottom of the download page to download the install file for linux. Extract the TrueCrypt install file and run it in terminal. I will also teach you how to create a password encrypted file container which is a virtual password encrypted hard drive to safely hide your sensitive files from hackers, and mount and dismount it in Ubuntu and other Linux Distros.