#!/bin/sh
# Use this to observe your Apple Intel laptop's CPU characteristics
echo "Press control-c to cancel."
echo "Freq    Temp"
while true                                    # truth is everlasting
do
sysctl kern.cpu_currentfreq kern.cpu_temp |   # get values from sysctl 
tr '\n' ' ' |                                 # convert newline to space
awk '{print $2 "\t" $4}'                      # print freq <tab> temp
sleep 5                                       # adjust as desired
done