UUCP uses several different types of configuration files, each describing a different kind of information. The commands permitted in each file are described in detail below. This section is a brief description of some of the different types of files.
The `config' file is the main configuration file. It describes general information not associated with a particular remote system, such as the location of various log files. There are reasonable defaults for everything that may be specified in the `config' file, so you may not actually need one on your system.
There may be only one `config' file, but there may be one or more of each other type of file. The default is one file for each type, but more may be listed in the `config' file.
The `sys' files are used to describe remote systems. Each remote system to which you connect must be listed in a `sys' file. A `sys' file will include information for a system, such as the speed (baud rate) to use, or when to place calls.
For each system you wish to call, you must describe one or more ports; these ports may be defined directly in the `sys' file, or they may be defined in a `port' file.
The `port' files are used to describe ports. A port is a particular hardware connection on your computer. You would normally define as many ports as there are modems attached to your computer. A TCP connection is also described using a port.
The `dial' files are used to describe dialers. Dialer is essentially another word for modem. The `dial' file describes the commands UUCP should use to dial out on a particular type of modem. You would normally define as many dialers as there are types of modems attached to your computer. For example, if you have three Telebit modems used for UUCP, you would probably define three ports and one dialer.
There are other types of configuration files, but these are the important ones. The other types are described below.
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