How to end Background Apps in Samsung Galaxy On7(SM-G600FY)?

Background apps are those running apps which are recently opened and running in the background. It makes the device slow and consumes more battery. You can improve the device performance by ending all the apps. The RAM will get clear to improve the device performance.  

Navigate to Apps → Smart Manager → RAM → END ALL 

Pictorial representation of the below settings are as follows:  

a). Tap on Apps icon from the Home screen.

b). Drag the Screen to the Left side to access more Apps.

c). Tap on Smart Manager icon.

d). Tap on RAM option.

e). Tap on End All.

f). It will start cleaning the RAM by closing the Background Apps.

g). It will show how much Data has been cleared.