Log files, lock files, status files, and working files

UUCP creates system files in the spool directory or in its system subdirectories. The following types of system files are created:

Log files

Records of events such as file transfers, deletions, attempts to connect with other systems, and system errors. The spool directory contains the following log file: /usr/spool/uucp/LOGFILE. It contains the record of when jobs were queued and executed.

Tip: This log file can grow indefinitely. You should edit or delete it on a regular basis.

Lock files

Temporary files created to prevent two programs writing to a file or device simultaneously. These files will have a name of LCK..site and LCK..site_address.

Status files

Records of the most recent unsuccessful attempt to contact a remote system. There is one status file for each remote system you contact; status files are named /usr/spool/uucp/.Status/site, where site is the remote site's name.

You can use the uustat -q command to view the contents of the status file.

A status file is only created if the last attempt to contact a system was unsuccessful. The status file is not required for UUCP to attempt another call.

Working files

Command, data, and execute files for the UUCP file transfer programs, stored in the appropriate subdirectory for the system. These files are described in z/OS UNIX System Services Command Reference.