How mac to be quiet??

When you annoy for noises of fan, you should open activity monitor by command + space and insert activity monitor.

f:id:hrt0kmt:20150717034733p:plain

f:id:hrt0kmt:20150717034507p:plain

You can get which is cause of noise and stop task by right top button.

Then, if you use chrome and chrome helper consume CPU, you can use this extension.