mkfifo Command

The mkfifo command in Linux is used to create a named pipe, also known as a FIFO (First In, First Out). Named pipes allow processes to communicate with each other by sending data through the pipe. Here are some examples of using the mkfifo command:

Create a named pipe called “mypipe”:

mkfifo mypipe

Create a named pipe with a specific permission:

mkfifo -m 666 mypipe

The -m option is used to specify the permission mode of the named pipe.

Create multiple named pipes at once:

mkfifo pipe1 pipe2 pipe3

Create a named pipe with a specific ownership

mkfifo -m 600 -o user:group mypipe

The -o option is used to specify the ownership of the named pipe.

Create a named pipe with a specific group ownership

mkfifo -m 644 -g developers mypipe

Note: The mkfifo command creates a special file in the file system, which acts as a buffer for inter-process communication. Once the named pipe is created, two or more processes can open the named pipe for reading and writing, allowing them to communicate with each other.

It’s important to note that the mkfifo command requires superuser privileges.

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