make and target name to assemble and link.
Most binaries are designed to step through with a debugger and may not exit nicely.
DOS COM files are tested with emu2.
You can also assemble and run on godbolt.org Compiler Explorer, using Assembly source and NASM assembler.
gdbtui ./program to start debugging with GDB TUI mode.
la a and la r to show assembly and registers.
(All this can go into ~/.gdbinit.)
b _start to set a breakpoint at _start, then r to run.
si to step instructions, ni to step over calls.