ldd (''List Dynamic Dependencies'') is a *nix utility that prints the shared libraries required by each program or shared library specified on the command line.〔(【引用サイトリンク】title=ldd(1) – Linux man page )〕 It was developed by Roland McGrath and Ulrich Drepper.〔(【引用サイトリンク】title=ldd Source Code )〕 ldd is a shell script that executes the program given as argument, and shouldn't be used with untrusted binaries. If some shared library is missing for any program, that program won't come up. ==Usage==