# a tiny program, freshly compiled, run once for hello
$ cat hello.c
#include <stdio.h>

int main(void) {
    printf("hello, world\n");
    return 0;
}

$ gcc -O2 -Wall hello.c -o hello
$ ./hello
hello, world
$ file hello
hello: ELF 64-bit LSB executable, x86-64, statically linked, not stripped
$ echo "and that's all this little server has to say."
and that's all this little server has to say.
$ uptime
 19:42:08 up 47 days, 21 min,  1 user,  load average: 0.18, 0.22, 0.20
$ who
chris    pts/0    2026-05-19 19:38 (10.0.0.42)
$