I will grant that it's a matter of taste and the prejudices of being O.G., but the subtle visual difference between: $ nc -v 172.30.110.9 22 [literally n

I will grant that it's a matter of taste and the prejudices of being O.G., but the subtle visual difference between: $ nc -v 172.30.110.9 22 [literally nothing] and: $ telnet 172.30.110.9 22 Trying 172.30.110.9... ... has always struck me as significant, and pedagogically relevant.