: Many Java-based OS projects, including various "Just an OS" iterations, are hosted on GitHub. You can often find the source code and compiled releases there.
: Most Java projects will contain a .jar file after extraction. Download JaS rar
If you are referring to the project—a Java-based operating system simulation—or a specific blog post providing a download link for it, here are the most relevant places to look: Potential Sources for "JaS" Downloads : Many Java-based OS projects, including various "Just
: Long-form blog posts detailing the creation of Java operating systems often include download links for .rar files. Search for terms like "Just an OS Java blog" or "JaS OS download" to find specific community-contributed archives. : Many Java-based OS projects