[2] For transferring multiple files, the commands are mget and mput. These will prompt you for each file to transfer unless you first issue the command "prompt = no". (All of these commands are for the Unix ftp client. Your client may be different.)
[3] As of this writing, Pedro's list has not been updated since June of 1995.
[4] What is an appropriate question, or more generally, what rules govern how one should use newsgroups? A whole code of "netiquette" has grown up to govern newsgroup behavior. In general, reading the posts on news.announce.newusers is an excellent thing to do. I have saved copies of a couple of the more relevant of these here.
[5] This is only needed for an optional exercise.
[6] Note: The d-Splits calculated at this server may be incorrect!