Unix is a multitasking, multi-user computer operating system originally developed in 1969.

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forking but not exiting

It is normal for the child in a fork() to call exec() or _exit(). Are there any realistic scenarios where the child might return from the function that called fork() instead? void foo() { pid_t ...
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Storing last polled database timestamp unix

I have a Unix script which is called by a scheduler (CTRL M) every 3 seconds. The script queries an external database(not belonging to my application and therefore I can only query it) to check for ...