http://www.informbdtech.tk/2018/08/use-linux-terminal-on-your-android-phone.html

Hello friends today I will show you how to use linux terminal on your android phone.

Whatever needs to be done:-

Termux
Internet Connection

First you need to install Termux from google play store or install from here. After install, open this app and you need to wait sometime for installation fully complete. After complete installation you can use it as a linux terminal.

Now you can use linux terminal on your Android Phone.