readelf

Displays information about ELF files. More information: http://man7.org/linux/man-pages/man1/readelf.1.html.

• Display all information about the ELF file:
  readelf -all {{path/to/binary}}
• Display all the headers present in the ELF file:
  readelf --headers {{path/to/binary}}
• Display the entries in symbol table section of the ELF file, if it has one:
  readelf --symbols {{path/to/binary}}
• Display the information contained in the ELF header at the start of the file:
  readelf --file-header {{path/to/binary}}