Show Install Memory

mem.c

#include <sys/sysinfo.h>
#include <stdio.h>

int main() {
  int days, hours, mins;
  struct sysinfo sys_info;

  if(sysinfo(&sys_info) != 0)
    perror("sysinfo");
  // Total and free ram.
  printf("Total Ram: %ld\n", sys_info.totalram);
  return 0;
}