What is meant by "OS resolver libraries" that are used by the "dig" command?

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linux command-line dig nslookup host-name-resolution

                          I know that dig queries the DNS server in the /etc/resolv.conf 
but I read that the difference between dig and nslookup is that dig uses OS resolver libraries.
But what are the OS resolver libraries?
                        

Asked by user3737708 (31 rep)

Apr 19, 2022, 01:48 PM
Last activity: Apr 19, 2022, 02:11 PM

What is meant by "OS resolver libraries" that are used by the "dig" command?

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