[cylinder714]

• Jeff Duntemann wrote a book some years ago, Assembly Language Step By Step, that covers Linux assembly language programming: http://www.duntemann.com/assembly.html

• Just typing "gnu assembly language" in a search engine will bring up lots of tutorials, mostly produced by colleges.

• Stack Overflow on your exact question: https://stackoverflow.com/questions/721583/what-is-the-best-...

• The Linux Assembly HOWTO http://www.tldp.org/HOWTO/html_single/Assembly-HOWTO/ referenced by the Linux Assembly site at http://asm.sourceforge.net/

• http://www.int80h.org/ covers the differences between Linux and UNIX/BSD programming and how to write portable code; definitely worth studying.