This branch needs a going over for deprecatable/archivable content. Feel free to update/deprecate as needed.
Instructions on multi-site configuration (also known as "multisite" and "single code base" installations) can be found within the installation instructions.
Here are some useful links:
- Multi-Site .htaccess configuration
- multi-site, single installation, shared db, single sign on. is this possible?
- Automatic Multi-site registration
- When multisite and symlinks don't work
- Multiple Web sites made easy using Drupal multisite and the right start, a note on simplifying long term management by using a separate base site