Java applications/libraries packager.
Recursively archive all files in the current directory into a `.jar` file
jar cf file.jar *
Unzip `.jar`/`.war` file to the current directory
jar -xvf file.jar
List a `.jar`/`.war` file content
jar tf path/to/file.jar
List a `.jar`/`.war` file content with verbose output
jar tvf path/to/file.jar