Playing with Assembly x86_64.

• x86_64
• GNU/Linux
• NASM 2.16.01
• ld 2.38
• GNU debugger (gdb) 12.1
• strace 5.16

$ ./build.sh hello
$ ./target/hello

# or simply

$ ./run.sh hello
0

$ ./gdb.sh hello

Reading symbols from target/hello...
(gdb)

"Monica" is a bad try on pun with the word "mnemonics".