Moving default folder Termux with content to downloads in Android 7
See https://wiki.termux.com/index.php?search=Storage for the newest information about using storage in Termux.  https://wiki.termux.com/wiki/Termux-setup-storage is the prerequisite.  Use it first.  To share data see https://wiki.termux.com/wiki/Sharing_Data for more information. Save your data to external storage in ~/storage/external which should be a link to Android/data/com.termux/files on your external SD card, and will be accessible from both Termux and Android.