Any one know the below means :
ps: no controlling terminal

I had run a script in background :
nohup ./benchmark.sh &

and shutdown my windows system from where i connected through SSH

I am using bash:

The above script perfoms various tasks of Benchmarking Repositories

Today the output the of nohup.out Say's :

tail -f nohup.out
ps: no controlling terminal
ps: no controlling terminal
ps: no controlling terminal
ps: no controlling terminal
ps: no controlling terminal
ps: no controlling terminal

keeps occuring .....

Let me know any of guys faced this.