With NFS, computers connected to a network operate as clients while accessing remote files, and as servers while providing remote users access to local shared files. The NFS standards are publicly available and widely used.

Sun's WebNFS - white paper
Describes WebNFS, a feature that eliminates the overheads in connecting to an NFS server. Also explains the issues that prompted WebNFS, explains server changes, compares NFS with file transfer protocols (HTTP and FTP), and describes the opportunity that WebNFS provides for Web browsers and Java programs.

Yahoo!'s Network File System (NFS) page
Yahoo!'s directory of Network File System (NFS).

RFC 1094
Request for Comments document for the Network File System protocol specification.

RFC 1813
Request for Comments document for the NFS Version 3 protocol specification.

WebNFS client specification RFC
Request for Comments document on the WebNFS client specification.