+bbpost <#>/<title> - This starts a post to group <#>.
+bbwrite <text> - This adds text to an already started post.
+bb <text> - Same as +bbwrite.
+bbedit <area>=<old>/<new> - Edits your post in progress. Valid areas are: text, title
+bbproof - Displays your current post in progress.
+bbtoss - Discards your current post in progress.
+bbpost - This will post your current post in progress.
+bbpost <#>/<subject>=<body> - Posts a message to group <#>. This is a quick way of posting a message with one command.
+bbedit <#>/<#>=<old>/<new> - Edits one of your posted messages.
See also: +help bbread, +help bbmisc