Because UUCP is a batching network, requests are not executed immediately.
Therefore, when users report that UUCP does not work,
the problem may be that the system is slow.
If the system is slower than usual, check for the following problems:
Check the spool directories,
/usr/spool/uucppublic and /usr/spool/uucp
for an overload of old work files and remove them.
to verify that there are not too many
uucico processes going at once.
The limit to the number of communications
processes is specified in /usr/lib/uucp/Maxuuscheds
Check to see that the limit is not too high (the default is 1).
script performs general cleanup by removing
old files that are trying unsuccessfully to execute.
To change the frequency of the cleanings, edit the
find statement in the uudemon.clean script.