Is that an EReader running on a Linux desktop, or an EReader running Linux as its OS? Calibre* runs on Linux, and it's a complete ebook library app as well as

Is that an EReader running on a Linux desktop, or an EReader running Linux as its OS? Calibre* runs on Linux, and it's a complete ebook library app as well as having an ebook reader built-in. I have several thousand ebooks being managed by Calibre. The Kindle is an ebook reader that uses Linux as its OS. * This is my 'update.calibre' script: #!/bin/bash # sudo -v && wget -nv -O- https://download.calibre-ebook.com/linux-installer.sh \ | sudo sh /dev/stdin