Get RAM for tmpfs (safe) a.k.a. RamDrive

ramdrive.sh

#!/bin/sh

result=$(free -m | awk '/Mem/ {printf "%.0f\n", $7/1024}')
divided_value=$(awk "BEGIN { printf \"%.2f\n\", $result / 1.7 }")
final_value=$(awk "BEGIN { printf \"%.0f\n\", $divided_value }")

echo 'Allocating '$final_value' GB of RAM as RamDrive at /ramdrive...'

mkdir /ramdrive 2>/dev/null 3>&2
umount -R /ramdrive 2>/dev/null 3>&2

mount -t tmpfs -o size=${final_value}G tmpfs /ramdrive