UI Updates with a few minor fixups scattered here and there

internal/app/wwctl/configure/nfs/root.go

@@ -5,15 +5,18 @@ import "github.com/spf13/cobra"
 var (
 	baseCmd = &cobra.Command{
 		Use:   "nfs",
-		Short: "NFS configuration",
-		Long:  "NFS Config",
-		RunE:  CobraRunE,
+		Short: "Manage and initialize NFS",
+		Long: "NFS is an optional dependent service of Warewulf, this tool will automatically\n" +
+			"configure NFS as per the configuration in the warewulf.conf file.",
+		RunE: CobraRunE,
 	}
-	SetShow bool
+	SetShow    bool
+	SetPersist bool
 )
 
 func init() {
 	baseCmd.PersistentFlags().BoolVarP(&SetShow, "show", "s", false, "Show configuration (don't update)")
+	baseCmd.PersistentFlags().BoolVar(&SetPersist, "persist", false, "Persist the configuration and initialize the service")
 }
 
 // GetRootCommand returns the root cobra.Command for the application.