NFS Network File System A Network File System (NFS) is a client/server environment that was developed by sun Microsystems to support access to remote files in a similar fashion to those stored locally. It is a distributed files system protocol used to support and maintain network Attached Storage (NAS) that uses TCP and UDP port 2049.Hence, it is possible to conduct system administration that gives the advantage of ability to consolidate resources in a centralized server within the network. According to (), NFS is an open standard making the protocol usable by anyone. NFS protocol is native to Unix and is associated with improved performance as compared to Samba. However, NFS can also run on windows by enabling NFS on the client Windows system which is The Windows 7 operating system can provide an NFS client, but the NFS client service is disabled by defaultNevertheless, NFS is stateless making all Unix file system controls unavailable. This forces it to conduct cache revalidation as it lacks an easy technique to conduct versioning to its file or directory. It uses comparison method to identify any modification of data held in cache with that of the server. Consequently, this becomes a problem as