Network file system is one of distributed file systems that are used over network to provide remotely access to data on the servers. The last version of NFS has a number of features that help in increasing server performance. However, the provided features are limited to a specific type of operations on the server. Therefore, finding more options may work alongside to enhance server performances. This research is discussing the provided features in NFSv4 and activates one of the tuning options to tests NFS server performance.