As well as the man pages of exports, nfs, and mount, information about configuring an NFS server and client is available in /usr/share/doc/packages/nfs-tils/README. Online documentation can be found at the following Web documents:
Find the detailed technical documentation online at SourceForge.
For instructions for setting up kerberized NFS, refer to NFS Version 4 Open Source Reference Implementation.
If you have any questions on NFSv4, refer to the Linux NFSv4 Frequently Asked Questions FAQ.