A number of similar files appear in the same directory as my log files, i.e., .../var/log/apache2/
accept.lock.29 accept.lock.31 accept.lock.32 accept.lock.34 accept.lock.42 accept.lock.45 accept.lock.88 accept.lock.111 accept.lock.113 They are of varying ages; the youngest is a couple of months ago, the oldest, years. What are they, and can I safely delete them? --Gil