What Is Pipe Model Implemented in Linux?

A pipe is a form of redirection (transfer of standard output to some other destination) that is used in Linux and other Unix-like operating systems to send the output of one command/program/process to another command/program/process for further processing.

How are pipes implemented in Linux?

Shells implement piping in a manner very similar to how they implement redirection. Basically, the parent process calls pipe(2) once for each two processes that get piped together. In the example above, bash would need to call pipe(2) twice to create two pipes, one for piping ls to sort, and one to pipe sort to less.

What does the pipe do in Linux?

In Linux, the pipe command lets you sends the output of one command to another. Piping, as the term suggests, can redirect the standard output, input, or error of one process to another for further processing.