In order to find all library dependencies of /usr/bin/foo, which of the following statement is true?
A . Running ldconfig against /usr/bin/foo will show the required libraries
B . Running ldd against /usr/bin/foo will show the required libraries
C . It’s necessary to compile the program again to check the library dependencies of foo.
D . The ls -la command has to be run in the /usr/bin directory, to show all library dependencies of foo.
E . Library dependencies are shown in the /usr/lib directory.
Answer: B