There are a number of ways you can start Arch Linux in Termux once installed. Three methods of starting Arch Linux in Termux after installing are outlined here:
~/arch/startarch at the bash prompt. The bash shell interpreter is important!
startarch if you chose “copy to $PATH” during install. The bash shell interpreter is important!
chsh and change your login shell to
startarch. Option 2 is required for this option to run correctly. When you open a session in Termux, it will login to Arch Linux. Important to undo this change and return to your Termux login, delete
chsh will be unavailable in Arch Linux to change your login shell.
These are three options. Certainly there a more ways to start an Arch Linux login in Termux on device. For the beginner CLI (Command Line Interface) user, option 2 “copy to $PATH during install” is recommended. Enjoy running Arch Linux in Termux on your device 📲