The standard of review of arbitration awards is one of the narrowest in all of American jurisprudence and whenever a disgruntled party asks a court to review an award, it is a safe to say that unless that party can demonstrate a discernible lack of integrity in the arbitral process, the award will be confirmed.
Learn about GZ (GZip) and TGZ files here. A GZ file is an compressed file, which means that it is a file that has been reduced in size. This is often done to speed up distribution over the Internet and to save storage space. BitZipper can open and create GZ files.
You are able to extract .gz, .zip, .jar files as they use number of compression algorithms built into the Java SDK. The case with RAR format is a bit different. RAR is a proprietary archive file format. RAR license does not allow to include it into software development tools like Java SDK.