Using an external drive requires more effort than backing up everything to the cloud. You need to wait for your files to transfer from your device to the drive, and then sort everything into folders.
Learn how to append text to files in Linux using commands like double redirection operator, tee, and sed without overwriting existing data.
destination Application root for the SfxPackages directory, will default to package root. This package will download the 7zip binaries at install time. Host system does not need to have 7zip installed ...