Although Debian stays close to the upstream software developer's configuration methods, the Debian developers frequently modify configuration file layout to simplify local configuration and upgrades, and often provide additional utilities to ease the administrator's job. Third-party utilities are sometimes available as well, but the administrator should understand that the output of these utilities may not always follow the Debian configuration layout.
Now, with basic software configuration out of the way, it's time to cover more system wide administration issues.
