Termux is an Open Source terminal emulator for Android that can be installed and used without rooting or complex setup. A terminal emulator is a software application that enables access to a command-line interface (CLI) in a graphical environment.
What can we do with Termux?
The main Termux app contains a small base system that can be extended with packages that can be installed with the APT package manager.
With Termux Scripts and Termux Tasker, we are able to automate tasks like: send an SMS, make a call, download content, and many other tasks.
The Tasker add-on can be installed from F-Droid Store.
File transfer & synchronization
Rsync package for Termux enables the option to transfer and keep files updated across multiple devices. Rsync is a Linux-based application also compatible with Mac and Windows. That is used to sync files between remote and local servers..
SSH (Secure Shell Protocol) is a cryptographic network protocol that provides a secure connection to remote hosts. We can choose between two SHH clients, "OpenSSH" or "dropbear".
How to install OpenSSH on Termux?
To install the OpenSSH package run the next commands:
pkg upgrade pkg install openssh
Termux enables software development, information science education, and experimentation on mobile devices. Termux contains packages to work with Python, C / C ++, Ruby, Golang, Rust, PHP, and other programming languages.