active processes

Anyone who has never made a mistake has never tried anything new. — Albert Einstein.

Here are a few mistakes that I made while working at UNIX prompt. Some mistakes caused me a good amount of downtime. Most of these mistakes are from my early days as a UNIX admin.

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Almost all UNIX SystemV version has killall command which is used to kill all active processes i.e. terminates all processes with open files so that the mounted file systems will be unbusied and can be unmounted. However Linux killall command used to kill processes by name (if no signal name is specified, SIGTERM is sent). […]

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