diff --git a/src/rhcsa.md b/src/rhcsa.md
index 61f3572..fe1b73c 100644
--- a/src/rhcsa.md
+++ b/src/rhcsa.md
@@ -511,6 +511,22 @@ sudo exportfs -r # Export the NFS shares
 sudo exportfs # Display the NFS shares
 
 sudo systemctl start nfs-server # Start the NFS server
+
+### root-squash and no_root_squash
+> Note: root-squash is a feature of NFS that allows the root user to access the NFS share as a regular user. no_root_squash 
+> is a feature of NFS that allows the root user to access the NFS share as the root user.
+
+> Note: async is a feature of NFS that allows the NFS server to write to the NFS share asynchronously. 
+> sync is a feature of NFS that allows the NFS server to write to the NFS share synchronously.
+
+```bash
+sudo nano /etc/exports # Edit the exports file
+
+# Add the following line to the exports file:
+/mnt/nfs 192.168.1.0/24(rw,sync,no_subtree_check,root_squash) # The directory to export
+
+# Add the following line to the exports file:
+/mnt/nfs 192.168.1.0/24(rw,async,no_subtree_check,no_root_squash) # The directory to export
 ```
 
 ### Configure an NFS Client