What is LD_LIBRARY_PATH?

LD_LIBRARY_PATH is an environment variable. It is used for debugging a new library or a non-standard library. It is also used to identify what directories need to be searched. Path to search for directories needs to given.
• The variable can be set using setenv—LD_LIBRARY_PATH–$PATH
• It is used to search for the shared objects / dynamic libraries by the operating system for extendable functionality at runtime.