What is the meaning/purpose of *.pid files in /var/run

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                          I'm quite new in Linux world, and now I'm trying to understand FHS  principles. 

In /var/run I found about ten *.pid files like crond.pid which contain just PIDs. 

There are more than ten processes running in the system and just ten files. 

So what is their purpose and what generated them?

Asked by Alex Silkovsky (263 rep)

Sep 12, 2015, 09:32 PM
Last activity: Nov 12, 2024, 08:46 PM

What is the meaning/purpose of *.pid files in /var/run

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