[snarfy]

On Linux, you can use 'as', the gnu assembler, or you can also use nasm, which most people prefer over 'as'. I've used both, and I got used to 'as' syntax after a while.

I long time ago I wrote a threaded/fiber system for DOS. It was mostly C, but the task switching and interrupt stuff was all assembly. It's basically an implementation of setjmp/longjmp hooked up with timer interrupts.

You might use it in your day to day if you were a driver developer for something like PCI chipset drivers, network drivers, things like that. Even then, C is usually preferred. I worked for a company that wrote drivers for scsi jukebox systems and they had a compete software suite written in 100% assembly. It was very clean, modular, well commented, and even object oriented. Yes, you can have objects in assembly, you just have to make your own this pointers. Since the language itself is so limited, most good assembly programs have a lot of macro wizardry involved.

[ithkuil]

you can use the intel syntax with gas too (see -masm=intel or .intel_syntax noprefix).