JAR Files

In software, JAR (Java Archive) is a package file format typically used to aggregate many Java class files and associated metadata and resources (text, images, etc.) into one file to distribute application software or libraries on the Java platform.

JAR files are fundamental archive files, built on the ZIP file format and have the .jar file extension. Computer users can create or extract JAR files using the jar command that comes with a JDK.

WEBDAV

Web Distributed Authoring and Versioning (WebDAV) is an extension of the Hypertext Transfer Protocol (HTTP) that allows clients to perform remote Web content authoring operations.

Vanity URL

A vanity URL is a unique web address that is branded for marketing purposes. Vanity URLs are a type of custom URL that exists to help users remember and find a specific page of your website. Therefore vanity URLs are easy to remember, use, and share.

Robots.txt

Robots.txt files are created by webmasters to mark files and directories of a web site that search engine spiders and other types of robots should not access.