\framesubtitle{Use of library path through modules}
When using shared librairies at runtime we need to set \cmd{LDLIBRARYPATH} so the system knows where to find the library
When using shared librairies at runtime we need to set \cmd{LD_LIBRARY_PATH} so the system knows where to find the library
\begin{itemize}
\item This variable tells the program where to look for dynamic libraries; if this location is changed, it is enough to modify the variable, without changing the program
\item To tell the system to look in the directory \cmd{/path/to/the/library}, the variable \cmd{LD_LIBRARY_PATH} must be initialized as follows: