[le-mark]

Does anyone recall an “intro to computing” style book that was available free online and starts with using the gas assembler and talked a lot about elf format executables? I lost the link a while ago and don’t recall the name.

[tiu]

You are probably thinking about Programming from the Ground Up by Jonathan Bartlett. There are many others in the same style though. He also has a newer book if I recall right.

https://www.amazon.com/Programming-Ground-Up-Jonathan-Bartle...

https://download-mirror.savannah.gnu.org/releases/pgubook/