#!/bin/bash root_use_pct=`df -h | grep '\s/$' | awk '{print $5}' | tr -d '%'` home_use_pct=`df -h | grep '\s/home$' | awk '{print $5}' | tr -d '%'` if [[ "${root_use_pct}" -gt 80 ]];then notify-send "/ is nearly full!" "${root_use_pct}% disk space usage on /" fi if [[ "${home_use_pct}" -gt 80 ]];then notify-send "/home is nearly full!" "${home_use_pct}% disk space usage on /home" fi