If you're using Firefox and testing LAMS, you should consider installing the iMacro plugin for initial setup and configuration tasks.
You can download this script and save it to your macros folder (usually C:\Documents\iMacros\Macros).
It will create a course called Demonstration, and four accounts:
All user passwords are the same as the user name.
You will need to change one line of code - open the .iim file in a text editor, and change the URL on the third line to the server which you want to customise:
You can also change the sysadmin login name and password by editing the CONTENT= tag in lines 4 and 7 of the .iim file.