what is thread?

Question

how to use thread

Answer 1

Well if you are for example talking about Java, Every program runs in a thread. Now you can split your program into multiple threads to make it run better. Therefore you need to start a new thread. Look into the last session of the Java course. There you can see the exact syntax

Answer 2

Threads are "light-weight" processes. They share the resources of their "father" process, executing their instructions at the same time and independently.

How to use them depends on what language are you using for coding.