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Re:Linux maintains bugs: The real reason ifconfig on Linux i... by kbr2000 on Thursday March 19, 2020 @05:21PM (#22631879)
It would be good practice to do so, when you are referring to a FQDN.

Apart from that, to circumvent badly configured paywall filters?

Re:Linux maintains bugs: The real reason ifconfig on Linux i... by JdeBP on Thursday March 19, 2020 @05:34PM (#22632001)
You both need to read http://jdebp.uk./FGA/web-fully-qualified-domain-name.html , including the Hacker News person's reminiscences. (-: