wait to two task complete linux shell code example

Example: command wait bash

sleep NUMBER[SUFFIX]	#Just use this command structure to wait/sleep
#Example:
sleep 5m	#sleeps 5 minutes
sleep 0.1		#sleeps 0.1 seconds or 100 miliseconds
#Suffixes
s - seconds (default)
m - minutes
h - hours
d - days
When no suffix is specified, it defaults to seconds.