System Management Guide: Communications and Networks

BNU Files, Commands, and Directories Reference

BNU Directories

/etc/uucp	Contains all Basic Network Utilities (BNU) configuration files.
/var/locks	Contains lock files for system devices. Used by other subsystems in addition to BNU.
/var/spool/uucppublic	Contains files that have been transferred by BNU.
/var/spool/uucp	Contains BNU administrative files.
/var/spool/uucp/.Workspace	Holds temporary files that the file transport programs use internally.
/var/spool/uucp/.Xqtdir	Contains execute files with lists of commands that remote systems can run.
/var/spool/uucp/SystemName	Contains files used by file transport programs.

BNU Files

/etc/uucp/Systems	A list of systems to which uucico can connect.
/etc/uucp/Devices	Defines basic communication parameters for dial-out connections.
/etc/uucp/Permissions	Defines permissions for remote machines contacting the local machine through BNU.
Maxuuscheds	Limits simultaneous scheduled jobs.
Maxuuxqts	Limits simultaneous remote command executions.
/etc/uucp/Dialers	Specifies dialer and modem type.
/etc/uucp/Dialcodes	Contains the initial digits of telephone numbers used to establish remote connections over a phone line.
/usr/sbin/uucp/remote.unknown	A shell script executed when an unknown remote computer attempts to communicate.
/usr/sbin/uucp/Sysfiles	Assigns alternate or additional Systems, Devices, and Dialers files.
/etc/uucp/Poll	Determines when a remote system is called.
uudemon.admin	Sends a BNU status report to a specified login ID.
uudemon.cleanu	Cleans BNU spooling directories at prescheduled times.
uudemon.hour	Initiates file transport calls to remote systems.
uudemon.poll	Polls remote systems listed in the /etc/uucp/Poll file.
/var/spool/uucp/audit	Contains audit information from BNU activities.
/var/spool/uucp/Foreign	Contains error information about BNU activities.
/var/spool/uucp/errors	Contains error information about BNU activities.
/var/spool/uucp/xferstats	Contains statistical information about BNU activities.
/var/spool/uucp/Corrupt	Contains copies of files that cannot be processed by the BNU program.
/var/spool/uucp/.Log	Contains log files from current BNU transactions.
/var/spool/uucp/.Old	Contains log files from old BNU transactions.
/var/spool/uucp/.Status	Stores the last time the uucico daemon tried to contact remote systems.
/var/spool/uucp/SystemName/C.*	These files are the commands allowed when connected to SystemName.
/var/spool/uucp/SystemName/D.*	These files are data files associated with SystemName.
/var/spool/uucp/SystemName/X.*	Executable files on SystemName.
/var/spool/uucp/SystemName/TM.*	Temporary files used when connected to SystemName.

BNU Commands

ct	Connects to another system over a telephone line.
cu	Connects to another system.
tip	A variation of cu that requires special configuration.
uucp	Copies files from one system to another running BNU or a version of the UNIX-to-UNIX Copy Program (UUCP).
uudecode	Reconstructs a binary file encoded with uuencode.
uuencode	Encodes a binary file into ASCII form for transmission using BNU.
uuname	Provides information about accessible systems.
uupoll	Forces a call to a remote system.
uuq	Displays the BNU job queue.
uusend	Sends a file to a remote host running BNU or UUCP.
uusnap	Displays a brief summary of BNU status.
uustat	Reports the status of BNU operations.
uuto	Copies files to another system using BNU or UUCP.
uux	Runs a command on a remote system.
uucheck	Checks the /etc/uucp/Permissions file for correct configuration.
uuname	Shows the names of all systems that can be reached through BNU.
uuclean	Cleans BNU spooling directories.
uucleanup	Cleans BNU spooling directories.
uukick	Contacts a remote system with debugging enabled.
uulog	Displays BNU log files.
uutry	Contacts a remote system with debugging enabled; allows override of retry time.
uucpadm	Administers the BNU system.
uupick	Enables users to claim files in the /var/spool/uucppublic directory.
uucp	Login ID with full administrative authority over the BNU subsystem.
Uutry	Contacts a remote system with debugging turned on, and saves the debugging output in a file.

BNU Daemons

uucico	Contacts remote systems and transfers files.
uucpd	Allows BNU to run on top of Transmission Control Protocol/Internet Protocol (TCP/IP).
uusched	Schedules BNU jobs.
uuxqt	Runs command requests from remote systems.