title: Cron job use for running hadoop program in linux
body: <p>I am new two linux and for my project we are using hadoop.Now we have written 3 mapreduce program in such a way output of 1st program is input to the 2nd program and the output of 2nd program is input to the third.But we are running the 3 different conf means first we are running configuration of 1st program and then 2nd and after that 3rd.Now we want two run all the 3 program one after the other is it possible using cron job in linux if yes please mention the steps.We want two use cron job because we need two run 3-programs repeatively for several hours </p>