An article is
posted on one machine to a list of newsgroups. That machine accepts it locally,
then forwards it to all its neighbors...
850; Standard for Interchange of USENET Messages; Mark
Horton; June 1983.
client applications enable you to connect to
to read and post messages.
One of the first news readers was called "rn", for "read news", and was written by Larry Wall from NASA. It was later improved by Wayne Davison of Borland, Inc. to incorporate one of the first functions for message threading in a version called trn.
When you start
a news reader it usually connects to the news server specified
in the default application settings, often the one run by your Internet
When you request
a list of the current newsgroups, the news reader downloads the current group
list from the server. Some news readers display the total number of messages
and the number of
new messages since the last download in each newsgroup.
When you open a newsgroup, your news reader
asks the server for a list of the group's message headers, including the subject,
sender, date, and number of lines in each message. Most news readers give
the option of downloading a small number of messages at a time so that slow Internet connections
don't get overloaded by too many messages at once.
open a message to view it, your news reader downloads the specific message
from the news server. If the message has an attachment, you may have
to download that with another function.
Most news readers include a function to search
a newsgroup for keywords in the subject or sender. The news reader sends the search
string to the news server, which then runs an efficient search program on the
list of messages and returns a list that match your keywords.