"|" in the Linux command Meaning of pipe flow

In Linux, you can take advantage of symbols: "|" To implement pipeline functions,

So what is the plumbing function:

Piping is a feature of the shell, and he connects multiple commands to form a pipe flow,

Each command in the pipeline flow runs as a separate process,

The output of the previous command the input of a command after the seat,

Execute each command sequentially from left to right

For example:

Use the "ls--help|more" command to display Help for the "LS" command, because the help information is too long, you can use the pipe "|" and "more" command to display Help information on the page

"|" in the Linux command Meaning of pipe flow