ldd - print shared library dependencies
ldd [OPTION?... FILE...
ldd prints the shared libraries required by each
program or shared library specified on the command
Print the version number of ldd.
Print all information.
Perform relocations and report any missing functions (ELF
Perform relocations for both data objects and functions, and
report any missing objects (ELF only).
ldd does not work very well on libc.so.5
ldd does not work on a.out shared
ldd does not work with some extremely old a.out
programs which were built before ldd support was
added to the compiler releases. If you use ldd on one
of these programs, the program will attempt to run with argc
= 0 and the results will be unpredictable.