add sleep in shell script code example

Example 1: sh wait 10 seconds

sleep .5 # Waits 0.5 second.
sleep 5  # Waits 5 seconds.
sleep 5s # Waits 5 seconds.
sleep 5m # Waits 5 minutes.
sleep 5h # Waits 5 hours.
sleep 5d # Waits 5 days.

Example 2: pause in bash

#pause 5 second, first method
read -t 5

#pause 5 second, second method
sleep 5s