Print
mkdir ~/hello
cd ~/hello
nano hello.c
//C hello world example
#include <stdio.h>
int main()
{
  printf("Hello world\n");
  return 0;
}
mips-openwrt-linux-uclibc-gcc -Wall hello.c -o hello
mips-openwrt-linux-uclibc-strip hello
scp hello This email address is being protected from spambots. You need JavaScript enabled to view it.:/mnt/sda1

Arduino Yun:

root@Arduino:/# /mnt/sda1/hello
Hello world