From LQWiki
Many of the programs that run on your GNU/Linux system have configuration files in the /etc directory. When a program starts up, typically, it reads its configuration file to know specifically how to behave on your system. Taken together, you might think of this collection of configuration files as your system's configuration.
Editing configuration files by-hand can be time consuming and error prone -- especially if you have more than one machine.
There are some system configuration programs that are designed to make it easier to configure your system. Some have web interfaces, others might be standalone GUI programs, or ncurses style terminal programs. Some, like debian's debconf are integrated into a particular distribution.
A great way to enhance system configuration may be to collect all kinds within one place. With webmin as the basic idea, modules may be added for many kinds of configurations. Some configuration ideas can be listed by actual users and then implemented across the board by various distributions.
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