| /etc/uucp | 
  Contains all Basic Network Utilities (BNU) configuration files. | 
| /etc/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.   | 
| /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. | 
| 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's 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. |