DOKK / manpages / debian 12 / erlang-manpages / user.3erl.en
user(3erl) Erlang Module Definition user(3erl)

user - Standard I/O server.

user is a server that responds to all messages defined in the I/O interface. The code in user.erl can be used as a model for building alternative I/O servers.

kernel 8.5.3 Ericsson AB