Hacker News new | ask | show | jobs
by styczen 706 days ago
Normal talk in unices system can do that.

Irc have exange data between server and minimalize data trafic.

still irc is better, but meybe in future

1 comments

There was also `write` [0]. It would literally parse /etc/utmp [1] to find out which terminal the recepient user was logged on, then it would open that terminal and write(2) the message to it. Ah, wonderful user isolation.

[0] https://man.cat-v.org/unix-6th/1/write

[1] https://man.cat-v.org/unix-6th/5/utmp

I still use posix write [1] if there is an incident and i want to talk to the other admins that all try to fix sth. Quite fünf AS the younger ones are always Quote puzzled and feel caught...

[1] https://manpages.org/write