See this askubuntu.com post, and the Dropbox download page. an example code: #!/bin/bash dir=$(zenity --file-selection --directory) wget -O $dir/test.txt  Download your raw DNA data by signing in to your account and clicking the DNA information of a DNA sample that can be downloaded in a .txt (text file) format. We test the same markers with each test, and this column identifies the DNA  Generates dummy test files of any size with ease, composed by random garbage bytes, with options to set the number of files and filenames  Download Zip file Simple Image Gallery