To show the shares on an NFS (Network File System) server, you can use the showmount command with the -e option.
For example, to show the shares on the NFS server nfs.example.com, you can use the following command:
showmount -e nfs.example.com
This will display a list of all the shares on the NFS server nfs.example.com.
The showmount command displays information about NFS exports, which are the directories that are shared on the NFS server. The -e option tells showmount to display a list of all the exported directories on the server.
You can also use the -d option to display the list of directories that are shared with a specific client. For example:
showmount -d nfs.example.com
This will display a list of all the directories that are shared with the client nfs.example.com.
You can use the -a option to display both the exported directories and the clients that are allowed to access them. For example:
showmount -a nfs.example.com
This will display a list of all the exported directories on the server nfs.example.com, along with the clients that are allowed to access them.
For more information about using the showmount command, you can refer to the showmount manual page or use the --help option. For example:
man showmount
showmount --help