Which system administration command you can use to update ld.so.cache after the installation of new shared libraries?

Which system administration command you can use to update ld.so.cache after the installation of new shared libraries?

A.
ldconfig

B.
ldd

C.
libpath

D.
newlibs

Explanation/Reference:
ldconfig builds the library cache from the standard library directories and the ld.so.conf file