termux-setup-storage
cd ~/storage/downloads
tar cf - -C /data/data/com.termux/files ./home ./usr | 7z a -si termux-backup.tar.7z
termux-setup-storage
cd ~/storage/downloads
7z x -so termux-backup.tar.7z | tar xf - -C /data/data/com.termux/files --recursive-unlink --preserve-permissions