What is the difference between lightweight process and thread?

Question

I found an answer to the question here. But I don\'t understand some ideas in the answer. For instance, lightweight process is said to share its logical address space with other

Answer 1

IMO, LWP is a kernel thread binding which can be created and executed in the user context.

If I'm not mistaken, you can attach user threads to a single LWP to potentially increase the level of concurrency without involving a system call.