====== gdbm ======
  * download source from http://www.gnu.org/software/gdbm/
  * (make sure to read next item) use [[typical_build_procedure]]
  * if you don't make the change listed below, make install will fail on the last install commands<code>
/usr/bin/install -c -m 644 -o bin -g bin gdbm.h \
		/usr/local/include/gdbm.h
install: bin: Invalid argument
make: *** [install] Error 67
</code>
  * you need to open the file 'Makefile' and change the values for the following items, then run 'sudo make install'<code>
# File ownership and group 
BINOWN = bin 
BINGRP = bin

change to...
BINOWN = root 
BINGRP = wheel
</code>