I'm running the pre-installed Apache 2 on my Mac OS X 10.5.8 machine. The log directory (where it writes error and access logs) is at:
/private/var/log/apache2/
The directory is filled with files like accept.lock.x where x is a number between 2 and 5 digits. They are all zero bytes long and date back many years.
What are they and can I delete all those empty files?