Linux and Unix ldd command
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About ldd
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List dynamic dependencies of executable files or shared objects.
ldd [-d | -r ] [ -f ] [ -i ] [ -l ] [ -s ] [ -v ] filename
| -d | Check references to data objects. |
| -r | Check references to both data objects and functions. |
| -f | Force ldd to check for an executable file that is not secure. When ldd is invoked by a super user, by default, it will not process any executable that it finds not secure. An executable is not considered secure if the interpreter it specifies does not reside under /usr/lib or /etc/lib, or if the interpreter cannot be determined. |
| -i | Displays the order of execution of initialization sections. |
| -l | Forces the immediate processing of any filters so that all filtees, and their dependencies, are listed. |
| -s | Displays the search path used to locate shared object dependencies. |
| -v | Displays all dependency relationships incurred when processing filename. This options also displays any dependency version requirements. See pvs. |
| filename | The name of the file. |