Rough outline of commands used for gdb (tui) demo on mov.s:
If the tui windows start looking weird, run the command "refresh" (Ctrl+L)

> gcc -o mov mov.s
> gdb mov
> break main
> run
> layout asm
> layout regs
> stepi 3
> print $rax
> print /x $rax
> print /x $eax
> print /x $al
> stepi
> stepi
> stepi
> x $rax
> x /gx $rax
> x /bx $rax+4
> stepi
> kill
> y
> quit