1. file executable file You can check whether the executable file is ARM architecture or X86 architecture
2. The nm executable file can view the symbols in the file, including global variables, global functions, etc.
3. The ldd executable file can view the dynamic library required for file execution
4. The strings executable can view all symbols in the file, including compiler version information
5. The readelf executable file can view all the detailed information of the file, including the header information of the file, dynamic library information, segment information, etc.