Why is HTTP protocol called as a stateless protocol?

HTTP is called a stateless protocol because in this each command is executed independently, without any knowledge of the commands that came before it. It is the protocol used for the web. It is Hyper Text Transfer Protocol. It is based on a request paradigm. In this protocol the communication generally takes place over a TCP/IP protocol. Http Request method are:
1. GET
2. POST
3. HEAD
4. TRACE
5. DELETE
6. OPTIONS
7. PUT

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