They were originally written by programmers at Cygnus Solutions.
Through the use of the Binary File Descriptor library (libbfd), most tools support the various object file formats supported by libbfd.
H.J. Lu maintains a version of binutils with features purely for Linux.
The binutils include the following commands:
|assembler popularly known as GAS (GNU Assembler)|
|convert address to file and line|
|create, modify, and extract from archives|
|demangling filter for C++ symbols|
|creation of Windows dynamic-link libraries|
|object file conversion to a NetWare Loadable Module|
|list symbols in object files|
|copy object files, possibly making changes|
|dump information about object files|
|generate indices for archives|
|display content of ELF files|
|list total and section sizes|
|list printable strings|
|remove symbols from an object file|
|generates Windows message resources|
|compiler for Windows resource files|