Java archive (.jar), in the past, was a very popular format, especially for Java based mobile cellphone and Symbian based cellphone. It's a mobile and portable format, and could also used to build a desktop (PC) application. For you Linux folks, if you found a java based application with .jar formatted, it's very easy to run the file. Here are the steps to run .jar file in Linux : 1. Install IcedTea (open source version of Java Virtual Machine) sudo apt-get install icedtea-plugin 2. Open terminal, and run the .jar file with following command : java -jar file.jar Google2SRT , a desktop application to download and convert Youtube's subtitle / caption into a srt file, running under Linux. It's officialy a Microsoft Windows application build using Java.
Linux Desktop, Everyday