#!/bin/sh users_num_robot=12 echo -n "Pre-processing..." users_num_all=$( ls /home/ | wc -w ) users_num_human=$(( $users_num_all-$users_num_robot )) size_home=$( du -sh /home | awk '{print $1}' ) size_per_user=$( du -h --max-depth=1 /home | sort -rh ) echo "[done]" echo "Total number of mailboxes: " $users_num_all echo "Number of real human mail users: " $users_num_human echo "Home storage: " $size_home echo "Users: " echo $size_per_user | xargs -n 2 echo