www.raspberrypi.org/documentation/linux/usage/users.md
User management in Raspbian is done on the command line. The default user is pi with the password raspberry. You can add users and change each user's password.
hackaday.com/2012/08/22/building-a-pbx-setup-around-the-rasp...
We’re not sure why this use didn’t immediately come to mind when we got our hands on a Raspberry Pi board, but the hardware is almost perfect as a PBX system. PBX, or Private Branch Exchange, is basically an in-house phone system. This guid ...
nerdvittles.com/?p=10151
Well, we jumped the gun by about a month on our release of an Incredible PBX refresh for the Raspberry Pi. Little did we know that the Raspberry Pi folks were poised to release a terrific new board with better everything for the same $35 original price ...
nerdvittles.com/?p=2750
We spent a lot of time building Incredible PBX™ for Raspberry Pi™. But, what many developers forget to do is to answer the question: What Can It Do? Today we’ll walk you through all 35 Incredible PBX applications that ...
www.raspberrypi.org/blog/gertboard-and-ram/
This article will tell you how to identify the amount of RAM on your Raspberry Pi without turning it on.
www.geek.com/chips/how-to-tell-how-much-ram-your-raspberry-p...
The Raspberry Pi Foundation made a surprise announcement yesterday that they had managed to increase the RAM on the Raspberry Pi to 512MB while keeping the price at $35. That should make it easier to run a few more memory-demanding apps and work with p ...