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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.

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