The mkfifo command in Linux is used to create named pipes, also known as FIFOs (First In, First Out). Unlike regular files, a FIFO behaves like a pipe that allows data to flow between processes.
You can think of it as a communication tunnel where one process writes data and another reads it.
For example, running mkfifo fi_fo creates a named pipe called fi_fo. If one terminal sends data into it with echo "Bitcoinversus.tech" > fi_fo, another terminal can read that data using cat fi_fo.
The read operation will wait until something is written, and the write will pause until a reader is present, allowing synchronized data transfer. This is useful for scripting, logging, and building custom workflows between processes.
For Linux+ candidates, understanding how mkfifo works provides insight into how Linux handles low-level process communication cleanly and efficiently.
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