The BeOS supports logging in remotely via either telnet or ftp using the industry standard TCP/IP networking protocols. Currently, there can be only one user login/password, but we plan to add support for multiple users in a future BeOS release.
The BeOS does not at this time provide for Macintosh-style AppleShare/AppleTalk-based file sharing, though that is an interesting opportunity for Be developers. We are looking into supporting NFS in the future as well.
In the meantime, third-party NFS software is available in the BeWare section of the Be web site: