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Introduction Today we delve into an intriguing, less documented feature of Bash that allows for User Datagram Protocol (UDP) communication directly from the command line: using /dev/udp/host/port. This feature is particularly useful for developers and system administrators looking for a simple method to send network data using UDP protocol, without needing additional software or complex configurations. Q: What exactly is /dev/udp in the context of Bash? A: In Bash, /dev/udp is a pseudo-device that allows sending and receiving UDP packets on a specified host and port. This function taps into the underlying capabilities of the Linux kernel, essentially simulating a UDP socket.