[andy@fedora ~]$ telnet telehack.com
Trying 64.13.139.230...
Connected to telehack.com.
Escape character is '^]'.
Connected to TELEHACK port 43
It is 10:16 pm on Sunday, September 11, 2022 in Mountain View, California, USA.
There are 71 local users. There are 26642 hosts on the network.
Type HELP for a detailed command list.
Type NEWUSER to create an account.
Press control-C to interrupt any command.
May the command line live forever.
Command, one of the following:
2048 ? a2 ac advent aquarium
basic bf c8 cal calc callsign
ching clear cowsay date echo eliza
finger fnord geoip gif help ipaddr
joke login md5 morse newuser notes
octopus phoon pig ping pong primes
privacy qr rain rand rfc rig
roll rot13 salvo sleep starwars sudoku
traceroute typespeed units uptime usenet users
uumap uupath uuplot weather when zc
.help
maybe vpn?
мультики в терминале тут
в тему.
https://www.solarpowerworldonline.com/2013/06/high-capacity-power-relays-for-solar-applications/