TALKD(8)

💬 TALKD(8) — remote user communication server 💬

okay bestie, so this is the talkd page from the System Manager's Manual, and honestly it's giving matchmaker energy. let's get into it 🫶

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✨ NAME ✨

talkd — the remote user communication server, aka the server that slides into your DMs on behalf of someone else 💅

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🌸 SYNOPSIS 🌸

talkd [-dp]

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🦋 DESCRIPTION 🦋

so talkd is literally the server that notifies a user that someone else wants to start a conversation with them. it acts as a repository of invitations, responding to requests from clients who wanna rendezvous and hold a conversation. no cap, that's its whole job 👑

in normal operation, a client (the caller) kicks off a rendezvous by sending a CTL_MSG to the server of type LOOK_UP (see ⟨protocols/talkd.h⟩). the way this works is the server then searches its invitation tables to check whether an invitation currently exists for the caller — to speak to the callee specified in the message. it's giving very attentive personal assistant, honestly.

if that lookup fails, the caller then sends an ANNOUNCE message, which causes the server to broadcast an announcement on the callee's login ports requesting contact 📣 like, "hey, someone's trying to reach you!!"

and when the callee responds, the local server uses the recorded invitation to respond with the appropriate rendezvous address, and then the caller and callee client programs establish a stream connection through which the conversation takes place. and that's the whole arc, start to finish 💖

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🎀 OPTIONS 🎀

• -d — debug mode! it writes copious logging and debugging information to /var/log/talkd.log. like, copious. it's a yapper and we love that for it 🗣️
• -p — packet logging mode! it writes copies of malformed packets to /var/log/talkd.packets. this is useful for debugging interoperability problems, iykyk 🔍

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🌈 SEE ALSO 🌈

• talk(1)
• write(1)

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⭐ HISTORY ⭐

the talkd command appeared in 4.3BSD. vintage icon behaviour, honestly 👑

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ngl this whole thing is basically a very polite invitation-delivery service and it ate 🍓

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and that's the page!! brought to you by Linux NetKit (0.17), dated March 16, 1991 — like, a whole era 💜 mwah, ily, go read talk(1) next 🧚‍♀️✨