NFS server support for NFS version 4

configname: CONFIG_NFSD_V4

Linux Kernel Configuration
└─>File systems
└─>Network File Systems
└─>NFS server support for NFS version 4
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
This option enables support in your system's NFS server for
version 4 of the NFS protocol (RFC 3530).

To export files using NFSv4, you need to install additional user
space programs which can be found in the Linux nfs-utils package,
available from

If unsure, say N.