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german@mafalda:~$ cat holamundo.c
#include <stdio.h>

int main (void){
printf("hola mundo\n");
return 0;

}
german@mafalda:~$ gcc -o  holamundo  holamundo.c
german@mafalda:~$ file holamundo
holamundo: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.4.1, dynamically linked (uses shared libs), not stripped
german@mafalda:~$ du  holamundo
8       holamundo
german@mafalda:~$ strip holamundo
german@mafalda:~$ file holamundo
holamundo: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.4.1, dynamically linked (uses shared libs), strippe
german@mafalda:~$ du  holamundo
4       holamundo
german@mafalda:~$