How does shell execute piped commands?

Question

I want to understand that how does shell executes piped commands ? e.g. cat | more. I am aware that for executing a normal command shell does a fork, execute it and then ch

Answer 1

It sets up a pipe using the pipe system call, forks two processes instead of one and attaches one end of the pipe to the first process' stdout and the other end to the second process' stdin.