Android: Few Extra Pounds (Root,Recovery)

You are definitely enthusiastic to learn more about Android. Otherwise you wouldn't have reached my blog !
A basic Android user knows how to install apps from play store according to his/her necessities. But the world of Android is too much beyond what we know. For example, I first installed apps from market then I came to know about APK , now it's simple to copy and install on any android.
To explore the world of possibilities you need guidance, here or somewhere. I'll let you know what I have learned so far.

Android OS on smartphone ~ Linux OS on personal computer

1. Root: 

What: In Android Linux root was considered as an administrative user.
Why: to disable adds, to backup apps along with data, to explore root files,and several other advantages.
How: enabling root user permissions on your android is called rooting. Every manufacturer has a distinct nasty process to root their smartphones. Google "how to root <ur phone model >" and follow the steps (never give up). Finally, if you are able to see ' superuser' or 'supersu' on your list of apps, then your phone is rooted.

2. Recovery:

What: It is a software that can be loaded during startup by pressing the distinct combination of keys for different manufacturers(for example volume down + power key in Samsung)
Why: wipe data, format system, install ROM, mount, unmount,and several other salient features.
How: Google "how to install recovery for <ur phone model>" and follow the steps (your phone must be rooted). Some smartphones have preinstalled recovery.

P.S.  My words are not up to my thoughts.Pose queries, I'll reply ASAP.