Pipeline (Unix) - Pipelines in Command Line Interfaces

Pipelines in Command Line Interfaces

All widely used Unix and Windows shells have a special syntax construct for the creation of pipelines. In typical usage one writes the filter commands in sequence, separated by the ASCII vertical bar character "|" (which, for this reason, is often called "pipe character"). The shell starts the processes and arranges for the necessary connections between their standard streams (including some amount of buffer storage).

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