Termux
Termux is an Android terminal emulator and Linux environment app that works directly with no rooting or setup required. A minimal base system is installed automatically - additional packages are available using the APT package manager.
-Secure
-Feature packed
-Customizable
-Explorable
-Ready to scale up
You will get it directly from GOOLE PLAY STORE
https://play.google.com/store/apps/details?id=com.termux
Download and Enjoy linux environment with available lots of packages for Termux.
This article only for study purpose, don't misuse. I am not responsible for any wrong activities and misuse by you.
Thank you