Before posting an article, you should be very familiar with Usenet etiquette. Reading through news.announce.newusers is a good place to start. You can practice posting to the newsgroup unm.test . Enter some test data. At the File name to write .
Tin has navigation keys that are available at any level.
Remember that UNIX commands are case sensitive. ToC Tin also has commands that are specific to the level in which you are working.