# ranlib
#
# generates an index to the contents of an archive and stores it in the archive.
# The index lists each symbol defined by a member of an archive that is a relocatable object file. 

# This creates an index of the contents of fruits.a and stores the index in fruits.a
# This is useful for linking and in case the objects call each other.
ranlib fruits.a
# after 
#   ar r fruits.a apple.o orange.o pineapple.o
# is called