First you will need nasm installed on your machine to compile it. sudo apt-get install nasm Write the below assembly code in an editor and save as shell.asm To compile it use the following commands $nasm -f elf -o shell.o shell.asm and $ld -o shell shell.o To address this issue we can use the following commands $nasm -f elf64 -o shell.o shell.asm and $ld -m elf_x86_64 -s -o shell shell.o Now run it with: ./shell