#!/bin/bash
cores=$( grep -c processor /proc/cpuinfo )
load=$( cat /proc/loadavg | cut -d" " -f3 | tr  -d [:cntrl:] )  
echo -n "L:$load/$cores M:" 
     # used + cached = total - free 
free=$(( $( grep ^MemFree /proc/meminfo | tr -d -c [:digit:] ) / 1048576  ))
cache=$(( $( grep ^Cached /proc/meminfo | tr -d -c [:digit:] ) / 1048576  ))
total=$(( $( grep ^MemTotal /proc/meminfo | tr -d -c [:digit:] ) / 1048576  ))
used=$(( $total -$free -$cache ))
echo -n "$used+$cache/$total U:" 
ps a --format user| grep -v -e root -e USER | sort -u | wc -l | tr -c -d [:digit:]
# exit okay
true