* Study finds Linux could still attract patent lawsuits
* Portable Linux from HP and Pogo Linux
* Survey reports Linux machines are virus- and hack attack-free
* Red Hat, HP, Novell, IBM, Veritas, CA to unveil products at LinuxWorld
* LinuxWorld hopes to burn away the San Francisco fog
* Microsoft settles with Lindows; DaimlerChrysler wins against SCO
* Linux start-up aims to lower Linux network admin costs