nm
Unix
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nm is a Unix command used to dump the symbol table and their attributes from a binary executable file.
The output from nm distinguishes between various symbol types. For example, it differentiates between a function that is supplied by an object... Wikipedia
Developer(s): Various open-source and commercial developers
Operating system: Unix, Unix-like, Plan 9
Original author(s): Dennis Ritchie, Ken Thompson; (AT&T Bell Laboratories)