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Manual page for UUCPD(8C)

uucpd - UUCP server




This command is available with the uucp software installation option. Refer to [a manual with the abbreviation INSTALL] for information on how to install optional software.


uucpd is the server for supporting UUCP connections over networks.

uucpd is invoked by inetd.8c when a UUCP connection is established (that is, a connection to the port indicated in the ``uucp'' service specification; see services.5 and executes the following protocol:

The server prompts with login:. The uucico.8c process at the other end must supply a username.
Unless the username refers to an account without a password, the server then prompts with Password:. The uucico process at the other end must supply the password for that account.

If the username is not valid or is valid but refers to an account that does not have /usr/lib/uucp/uucico as its login shell, or if the password is not the correct password for that account, the connection is dropped. Otherwise, uucico is run, with the user ID, group ID, group set, and home directory for that account, with the environment variables USER and LOGNAME set to the specified username, and with a -u flag specifying the username. Entries are made in /var/adm/wtmp and /var/adm/lastlog for the username.


time of last login


services.5 inetd.8c uucico.8c


All diagnostic messages are returned on the connection, after which the connection is closed.

user read
An error occurred while reading the username.
passwd read
An error occurred while reading the password.
Login incorect.
The username is invalid or refers to an account with a login shell other than /usr/lib/uucp/uucico, or the password is not the correct password for the account.

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Created by unroff & hp-tools. © by Hans-Peter Bischof. All Rights Reserved (1997).

Last modified 21/April/97