[Memory] Prints amount of memory in bytes #Shell

mem.sh

# mem.sh

( # linux
  grep "MemTotal" /proc/meminfo |
    awk '{ printf "%d\n", $2 * 1000 }' ||
    
  # bsd
  sysctl -n hw.realmem 2>/dev/null ||

  # macos
  # TODO: this number is returning ~68GB on a system with 64GB installed
  sysctl -n hw.memsize 2>/dev/null ||
  
) 2>/dev/null ||

exit 1 #failure

exit 0 #success