I like this one even better: $ cat test.c void _start(void) { __asm__( "movabsq $6278066737626506568,%rax\n\t" "mov

I like this one even better: $ cat test.c void _start(void) { __asm__( "movabsq $6278066737626506568,%rax\n\t" "movq %rax,-32(%rsp)\n\t" "movl $1684828783,-24(%rsp)\n\t" "movw $10,-20(%rsp)\n\t" "movq $1,%rax\n\t" "movq $1,%rdi\n\t" "leaq -32(%rsp),%rsi\n\t" "movq $13,%rdx\n\t" "syscall\n\t" "movq $60,%rax\n\t" "movq $0,%rdi\n\t" "syscall"); } $ gcc -nostdlib -static -Os -o test test.c && strip test && ls -lgG test -rwxr-xr-x 1 864 Sep 28 14:22 test 864 bytes! :)