Bash functions, unlike functions in most programming languages do not allow you to return a value to the caller. When a bash function ends its return value is its status: zero for success, non-zero for failure.
VirtualBox is a free, powerful and versatile virtualization program which is available for Linux, Mac, and Windows hosts, and can virtualize many different Operating Systems.
For quite some time, I have been meaning to try Skype, the Voice/Video over IP service. It runs on Linux pretty well, I'd heard. Prompting this is desire, too, was the fact that most of my co-workers use Skype and I seemed to be the odd man out for Skype at the Linux Foundation.
The first beta of Amarok 2.2, codenamed "Crystal Clear," was released on September 4 and packages are available for Kubuntu 9.04 Jaunty from the Kubuntu Beta Backports.
OpenOffice.org 3.1.1 was released a few days ago, bringing many bug fixes to the stable 3.1 series. One of the ways to get it on Jaunty is to use the Launchpad.net PPA for OpenOffice.org Scribblers which recently packaged it for Ubuntu Jaunty and included it in their repositories.