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Introduction to Named Pipes on Bash Shell

On Linux and Unix-based operating systems, pipes are very useful since they are a simple way to achieve IPC (inter-process communication). When we connect two processes in a pipeline, the output of the first one is used as the input of the second one.

To build a so-called “anonymous” pipe, all we have to do is to use the | operator. Anonymous, or unnamed pipes last just as long as the processes they connect. There is, however, another type of pipe we can use: a FIFO, or named pipe. In this article we will see how named pipes work and in what they are different from the standard pipes.