You can use a different wallpaper on each desktop in Windows XP with this simple trick.
Split your text files for easier processing
Install SSH for remote access to your Ubuntu box
Install mono and XSP to develop in ASP.NET
Find a package in the repository from the command line
Automatix makes installing almost everything simpler.
Display your current routing table from the terminal window.
Clear the terminal window quickly with the clear command.
View memory usage from the terminal prompt
Auto scroll the log file as new items are added
Install apache with mod_php for php5 on Ubuntu
Enable more repositories for Ubuntu
Restore a database using a mysqldump backup file
Back up your database using mysqldump