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It‘s lightweight, well‑documented, and covers all mandatory and bonus requirements. The ability to run individual tests ( --test_1 through --test_6 ) is particularly useful for debugging specific issues.

(one‑line command):

: Communication must strictly use SIGUSR1 and SIGUSR2 .

A popular choice that tests basic string transmission, special characters, and long text files to ensure your server doesn't crash under pressure. shmookey's Minitalk Tester

: Automates basic functionality, large string handling, and stress tests to ensure your server doesn't crash under pressure. Manual Testing Guide

. Make sure you aren't using forbidden functions and that your

Does your client wait for a signal back from the server, confirming the bit was received, before sending the next? (Highly recommended for stability). Troubleshooting Common Minitalk Errors

Run ./client [PID] "" . Your server should handle this gracefully without hanging or waiting forever for a terminating null-byte.

: The server must print its PID (Process ID) upon launch. The client then uses this PID and a string to send data.