cd /data/data/com.termux/files

tar -zcf /sdcard/termux-backup.tar.gz home usr

termux-setup-storage

cd /data/data/com.termux/files

tar -zxf /sdcard/termux-backup.tar.gz –recursive-unlink –preserve-permissions

https://www.sqlsec.com/2018/05/termux.html