/usr/bin/man has problems with manual pages which contain spaces in file name. In the past some of our ports manual pages contained spaces (it may happens again). How to repeat: cp /usr/share/man/man1/cat.1.gz "c a t . 1 . gz" /usr/bin/man $(pwd)/"c a t . 1 . gz" No manual entry for /tmp/c No manual entry for a No manual entry for t No manual entry for . No manual entry for 1 No manual entry for . No manual entry for gz