diff --git a/src/Orchard.Tests.Modules/Orchard.Tests.Modules.csproj b/src/Orchard.Tests.Modules/Orchard.Tests.Modules.csproj
index 0f42c0a5d..b7db352a3 100644
--- a/src/Orchard.Tests.Modules/Orchard.Tests.Modules.csproj
+++ b/src/Orchard.Tests.Modules/Orchard.Tests.Modules.csproj
@@ -166,7 +166,6 @@
     <Compile Include="Users\Services\UserServiceTests.cs" />
     <Compile Include="Users\ShellSettingsUtility.cs" />
     <Compile Include="Values.cs" />
-    <Compile Include="Users\Controllers\AdminControllerTests.cs" />
     <Compile Include="Users\Services\MembershipServiceTests.cs" />
     <Compile Include="Widgets\RuleEngine\UrlRuleProviderTest.cs" />
     <Compile Include="Widgets\Services\WidgetsServiceTest.cs" />
diff --git a/src/Orchard.Tests.Modules/Users/Controllers/AdminControllerTests.cs b/src/Orchard.Tests.Modules/Users/Controllers/AdminControllerTests.cs
deleted file mode 100644
index 16daa1b90..000000000
--- a/src/Orchard.Tests.Modules/Users/Controllers/AdminControllerTests.cs
+++ /dev/null
@@ -1,170 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Web;
-using System.Web.Mvc;
-using System.Web.Routing;
-using System.Xml.Linq;
-using Autofac;
-using Moq;
-using NUnit.Framework;
-using Orchard.Caching;
-using Orchard.ContentManagement.MetaData;
-using Orchard.ContentManagement.MetaData.Models;
-using Orchard.ContentManagement.MetaData.Services;
-using Orchard.Core.Settings.Metadata;
-using Orchard.Data;
-using Orchard.DisplayManagement;
-using Orchard.DisplayManagement.Descriptors;
-using Orchard.DisplayManagement.Implementation;
-using Orchard.Environment;
-using Orchard.ContentManagement;
-using Orchard.ContentManagement.Handlers;
-using Orchard.ContentManagement.Records;
-using Orchard.Environment.Extensions;
-using Orchard.Localization;
-using Orchard.Messaging.Events;
-using Orchard.Messaging.Services;
-using Orchard.Security;
-using Orchard.Security.Permissions;
-using Orchard.Security.Providers;
-using Orchard.Tests.Stubs;
-using Orchard.UI.Notify;
-using Orchard.Users.Controllers;
-using Orchard.Users.Handlers;
-using Orchard.Users.Models;
-using Orchard.Users.Services;
-using Orchard.Users.ViewModels;
-using Orchard.Settings;
-using Orchard.Core.Settings.Services;
-
-namespace Orchard.Tests.Modules.Users.Controllers {
-    [TestFixture]
-    public class AdminControllerTests : DatabaseEnabledTestsBase {
-        private AdminController _controller;
-        private Mock<IAuthorizer> _authorizer;
-
-        public override void Register(ContainerBuilder builder) {
-            builder.RegisterType<AdminController>().SingleInstance();
-            builder.RegisterType<SiteService>().As<ISiteService>();
-            builder.RegisterType<StubCacheManager>().As<ICacheManager>();
-            builder.RegisterType<DefaultContentManager>().As<IContentManager>();
-            builder.RegisterType(typeof(SettingsFormatter))
-                .As(typeof(IMapper<XElement, SettingsDictionary>))
-                .As(typeof(IMapper<SettingsDictionary, XElement>));
-            builder.RegisterType<ContentDefinitionManager>().As<IContentDefinitionManager>();
-            builder.RegisterType<DefaultContentManagerSession>().As<IContentManagerSession>();
-            builder.RegisterType<DefaultContentQuery>().As<IContentQuery>().InstancePerDependency();
-            builder.RegisterType<DefaultMessageManager>().As<IMessageManager>();
-            builder.RegisterInstance(new Mock<IMessageEventHandler>().Object);
-            builder.RegisterType<MembershipService>().As<IMembershipService>();
-            builder.RegisterType<UserService>().As<IUserService>();
-            builder.RegisterType<UserPartHandler>().As<IContentHandler>();
-            builder.RegisterType<StubWorkContextAccessor>().As<IWorkContextAccessor>();
-            builder.RegisterType<OrchardServices>().As<IOrchardServices>();
-            builder.RegisterType<TransactionManager>().As<ITransactionManager>();
-            builder.RegisterType<DefaultShapeTableManager>().As<IShapeTableManager>();
-            builder.RegisterType<DefaultShapeFactory>().As<IShapeFactory>();
-            builder.RegisterType<StubExtensionManager>().As<IExtensionManager>();
-            builder.RegisterInstance(new Mock<INotifier>().Object);
-            builder.RegisterInstance(new Mock<IContentDisplay>().Object);
-            builder.RegisterType<StubCacheManager>().As<ICacheManager>();
-            builder.RegisterType<Signals>().As<ISignals>();
-            builder.RegisterType<DefaultEncryptionService>().As<IEncryptionService>();
-            builder.RegisterInstance(ShellSettingsUtility.CreateEncryptionEnabled());
-
-            _authorizer = new Mock<IAuthorizer>();
-            builder.RegisterInstance(_authorizer.Object);
-        }
-
-        protected override IEnumerable<Type> DatabaseTypes {
-            get {
-                return new[] { typeof(UserPartRecord), 
-                    typeof(ContentTypeRecord),
-                    typeof(ContentItemRecord),
-                    typeof(ContentItemVersionRecord), 
-                };
-            }
-        }
-
-        public override void Init() {
-            base.Init();
-
-            var manager = _container.Resolve<IContentManager>();
-
-            var userOne = manager.New<UserPart>("User");
-            userOne.Record = new UserPartRecord { UserName = "one" };
-            manager.Create(userOne.ContentItem);
-
-            var userTwo = manager.New<UserPart>("User");
-            userTwo.Record = new UserPartRecord { UserName = "two" };
-            manager.Create(userTwo.ContentItem);
-
-            var userThree = manager.New<UserPart>("User");
-            userThree.Record = new UserPartRecord { UserName = "three" };
-            manager.Create(userThree.ContentItem);
-
-            _controller = _container.Resolve<AdminController>();
-
-            var mockHttpContext = new Mock<HttpContextBase>();
-            _controller.ControllerContext = new ControllerContext(
-                mockHttpContext.Object,
-                new RouteData(
-                    new Route("foo", new MvcRouteHandler()),
-                    new MvcRouteHandler()),
-                _controller);
-        }
-
-        [Test]
-        public void IndexShouldReturnRowsForUsers() {
-            _authorizer.Setup(x => x.Authorize(It.IsAny<Permission>(), It.IsAny<LocalizedString>())).Returns(true);
-
-            var controller = _container.Resolve<AdminController>();
-            var result = (ViewResult)controller.Index();
-            var model = (UsersIndexViewModel)result.ViewData.Model;
-
-            Assert.That(model.Rows, Is.Not.Null);
-        }
-
-
-        [Test]
-        [Ignore("Needs to instead be a specflow test.")]
-        public void CreateShouldAddUserAndRedirect() {
-            _authorizer.Setup(x => x.Authorize(It.IsAny<Permission>(), It.IsAny<LocalizedString>())).Returns(true);
-
-            var controller = _container.Resolve<AdminController>();
-            ActionResult result = null; // controller.CreatePOST(new UserCreateViewModel {
-            //    UserName = "four",
-            //    Email = "six@example.org",
-            //    Password = "five",
-            //    ConfirmPassword = "five"
-            //});
-            Assert.That(result, Is.TypeOf<RedirectToRouteResult>());
-
-            var redirect = (RedirectToRouteResult)result;
-            var id = Convert.ToInt32(redirect.RouteValues["id"]);
-            var manager = _container.Resolve<IContentManager>();
-            var user = manager.Get(id).As<IUser>();
-            Assert.That(user.UserName, Is.EqualTo("four"));
-        }
-
-        [Test]
-        [Ignore("Needs fixing. Needs to instead be a specflow test.")]
-        public void EditShouldDisplayUserAndStoreChanges() {
-            _authorizer.Setup(x => x.Authorize(It.IsAny<Permission>(), It.IsAny<LocalizedString>())).Returns(true);
-
-            var repository = _container.Resolve<IRepository<UserPartRecord>>();
-            var id = repository.Get(x => x.UserName == "two").Id;
-            var result = (ViewResult)_container.Resolve<AdminController>().Edit(id);
-            var model = (UserEditViewModel)result.ViewData.Model;
-            //Assert.That(model.UserName, Is.EqualTo("two"));
-
-            var controller = _container.Resolve<AdminController>();
-            controller.ValueProvider = Values.From(new {
-                UserName = "bubba",
-                Email = "hotep",
-            });
-            var result2 = controller.EditPOST(id);
-            Assert.That(result2, Is.TypeOf<RedirectToRouteResult>());
-        }
-    }
-}
diff --git a/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs b/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
index 9da562383..a163d8ab3 100644
--- a/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
+++ b/src/Orchard.Web/Modules/Orchard.Users/Controllers/AdminController.cs
@@ -1,6 +1,9 @@
+using System.Collections.Generic;
 using System.Linq;
 using System.Web.Mvc;
 using Orchard.ContentManagement;
+using Orchard.Core.Common.Models;
+using Orchard.Core.Contents.Controllers;
 using Orchard.Core.Settings.Models;
 using Orchard.DisplayManagement;
 using Orchard.Localization;
@@ -12,6 +15,7 @@ using Orchard.Users.ViewModels;
 using Orchard.Mvc.Extensions;
 using System;
 using Orchard.Settings;
+using Orchard.UI.Navigation;
 
 namespace Orchard.Users.Controllers {
     [ValidateInput(false)]
@@ -39,24 +43,99 @@ namespace Orchard.Users.Controllers {
         public IOrchardServices Services { get; set; }
         public Localizer T { get; set; }
 
-        public ActionResult Index() {
+        public ActionResult Index(UserIndexOptions options, PagerParameters pagerParameters) {
             if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to list users")))
                 return new HttpUnauthorizedResult();
 
+            var pager = new Pager(_siteService.GetSiteSettings(), pagerParameters);
+
+            // default options
+            if (options == null)
+                options = new UserIndexOptions();
+
             var users = Services.ContentManager
-                .Query<UserPart, UserPartRecord>()
-                .Where(x => x.UserName != null)
-                .List();
+                .Query<UserPart, UserPartRecord>();
+
+            switch (options.Filter) {
+                case UsersFilter.Approved:
+                    users = users.Where(u => u.RegistrationStatus == UserStatus.Approved);
+                    break;
+                case UsersFilter.Pending:
+                    users = users.Where(u => u.RegistrationStatus == UserStatus.Pending);
+                    break;
+                case UsersFilter.EmailPending:
+                    users = users.Where(u => u.EmailStatus == UserStatus.Approved);
+                    break;
+            }
+
+            if(!String.IsNullOrWhiteSpace(options.Search)) {
+                users = users.Where(u => u.UserName.Contains(options.Search) || u.Email.Contains(options.Search));
+            }
+
+            var pagerShape = Shape.Pager(pager).TotalItemCount(users.Count());
+
+            switch (options.Order) {
+                case UsersOrder.Name:
+                    users = users.OrderBy(u => u.UserName);
+                    break;
+                case UsersOrder.Email:
+                    users = users.OrderBy(u => u.Email);
+                    break;
+            }
+
+            var results = users
+                .Slice(pager.GetStartIndex(), pager.PageSize)
+                .ToList();
 
             var model = new UsersIndexViewModel {
-                Rows = users
-                    .Select(x => new UsersIndexViewModel.Row { UserPart = x })
-                    .ToList()
+                Users = results
+                    .Select(x => new UserEntry { User = x.Record })
+                    .ToList(),
+                    Options = options,
+                    Pager = pagerShape
             };
 
             return View(model);
         }
 
+        [HttpPost]
+        [FormValueRequired("submit.BulkEdit")]
+        public ActionResult Index(FormCollection input) {
+            if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
+                return new HttpUnauthorizedResult();
+
+            var viewModel = new UsersIndexViewModel {Users = new List<UserEntry>(), Options = new UserIndexOptions()};
+            UpdateModel(viewModel);
+
+            var checkedEntries = viewModel.Users.Where(c => c.IsChecked);
+            switch (viewModel.Options.BulkAction) {
+                case UsersBulkAction.None:
+                    break;
+                case UsersBulkAction.Approve:
+                    foreach (var entry in checkedEntries) {
+                        Approve(entry.User.Id);
+                    }
+                    break;
+                case UsersBulkAction.Disable:
+                    foreach (var entry in checkedEntries) {
+                        Moderate(entry.User.Id);
+                    }
+                    break;
+                case UsersBulkAction.ChallengeEmail:
+                    foreach (var entry in checkedEntries) {
+                        SendChallengeEmail(entry.User.Id);
+                    }
+                    break;
+                case UsersBulkAction.Delete:
+                    foreach (var entry in checkedEntries) {
+                        Delete(entry.User.Id);
+                    }
+                    break;
+            }
+
+            return RedirectToAction("Index");
+        }
+
         public ActionResult Create() {
             if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
@@ -109,7 +188,7 @@ namespace Orchard.Users.Controllers {
             }
 
             Services.Notifier.Information(T("User created"));
-            return RedirectToAction("edit", new { user.Id });
+            return RedirectToAction("Index");
         }
 
         public ActionResult Edit(int id) {
@@ -163,7 +242,7 @@ namespace Orchard.Users.Controllers {
             }
 
             Services.Notifier.Information(T("User information updated"));
-            return RedirectToAction("Edit", new { id });
+            return RedirectToAction("Index");
         }
 
         public ActionResult Delete(int id) {
@@ -181,7 +260,7 @@ namespace Orchard.Users.Controllers {
                 }
                 else{
                     Services.ContentManager.Remove(user.ContentItem);
-                    Services.Notifier.Information(T("User deleted"));
+                    Services.Notifier.Information(T("User {0} deleted", user.UserName));
                 }
             }
 
@@ -192,13 +271,13 @@ namespace Orchard.Users.Controllers {
             if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
-            var user = Services.ContentManager.Get(id);
+            var user = Services.ContentManager.Get<IUser>(id);
 
             if ( user != null ) {
                 _userService.SendChallengeEmail(user.As<UserPart>(), nonce => Url.AbsoluteAction(() => Url.Action("ChallengeEmail", "Account", new {Area = "Orchard.Users", nonce = nonce})));
+                Services.Notifier.Information(T("Challenge email sent to {0}", user.UserName));
             }
 
-            Services.Notifier.Information(T("Challenge email sent"));
 
             return RedirectToAction("Index");
         }
@@ -207,11 +286,11 @@ namespace Orchard.Users.Controllers {
             if (!Services.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Not authorized to manage users")))
                 return new HttpUnauthorizedResult();
 
-            var user = Services.ContentManager.Get(id);
+            var user = Services.ContentManager.Get<IUser>(id);
 
             if ( user != null ) {
                 user.As<UserPart>().RegistrationStatus = UserStatus.Approved;
-                Services.Notifier.Information(T("User approved"));
+                Services.Notifier.Information(T("User {0} approved", user.UserName));
             }
 
             return RedirectToAction("Index");
diff --git a/src/Orchard.Web/Modules/Orchard.Users/ViewModels/UsersIndexViewModel.cs b/src/Orchard.Web/Modules/Orchard.Users/ViewModels/UsersIndexViewModel.cs
index a77c65bee..051ee9da3 100644
--- a/src/Orchard.Web/Modules/Orchard.Users/ViewModels/UsersIndexViewModel.cs
+++ b/src/Orchard.Web/Modules/Orchard.Users/ViewModels/UsersIndexViewModel.cs
@@ -4,10 +4,40 @@ using Orchard.Users.Models;
 namespace Orchard.Users.ViewModels {
 
     public class UsersIndexViewModel  {
-        public class Row {
-            public UserPart UserPart { get; set; }
-        }
+        public IList<UserEntry> Users { get; set; }
+        public UserIndexOptions Options { get; set; }
+        public dynamic Pager { get; set; }
+    }
 
-        public IList<Row> Rows { get; set; }
+    public class UserEntry {
+        public UserPartRecord User { get; set; }
+        public bool IsChecked { get; set; }
+    }
+
+    public class UserIndexOptions {
+        public string Search { get; set; }
+        public UsersOrder Order { get; set; }
+        public UsersFilter Filter { get; set; }
+        public UsersBulkAction BulkAction { get; set; }
+    }
+
+    public enum UsersOrder {
+        Name,
+        Email
+    }
+
+    public enum UsersFilter {
+        All,
+        Approved,
+        Pending,
+        EmailPending
+    }
+
+    public enum UsersBulkAction {
+        None,
+        Delete,
+        Disable,
+        Approve,
+        ChallengeEmail
     }
 }
diff --git a/src/Orchard.Web/Modules/Orchard.Users/Views/Admin/Index.cshtml b/src/Orchard.Web/Modules/Orchard.Users/Views/Admin/Index.cshtml
index 684d319a4..37f37cc1e 100644
--- a/src/Orchard.Web/Modules/Orchard.Users/Views/Admin/Index.cshtml
+++ b/src/Orchard.Web/Modules/Orchard.Users/Views/Admin/Index.cshtml
@@ -1,52 +1,88 @@
 @model Orchard.Users.ViewModels.UsersIndexViewModel
 @using Orchard.Users.Models;
+@using Orchard.Users.ViewModels;
+
+@{
+	var userIndex = 0;
+}
 
 <h1>@Html.TitleForPage(T("Manage Users").ToString()) </h1>
 @using (Html.BeginFormAntiForgeryPost()) { 
     @Html.ValidationSummary()
     <div class="manage">@Html.ActionLink(T("Add a new user").ToString(), "Create", new { }, new { @class = "button primaryAction" })</div>
-    <fieldset>
+
+    <fieldset class="bulk-actions">
+        <label for="publishActions">@T("Actions:")</label>
+        <select id="publishActions" name="@Html.NameOf(m => m.Options.BulkAction)">
+            @Html.SelectOption(Model.Options.BulkAction, UsersBulkAction.None, T("Choose action...").ToString())
+            @Html.SelectOption(Model.Options.BulkAction, UsersBulkAction.Approve, T("Approve").ToString()) 
+            @Html.SelectOption(Model.Options.BulkAction, UsersBulkAction.Disable, T("Disable").ToString())
+            @Html.SelectOption(Model.Options.BulkAction, UsersBulkAction.ChallengeEmail, T("Send challenge E-mail").ToString())
+            @Html.SelectOption(Model.Options.BulkAction, UsersBulkAction.Delete, T("Remove").ToString())
+        </select>
+        <button type="submit" name="submit.BulkEdit" value="@T("Apply")">@T("Apply")</button>
+    </fieldset>
+    <fieldset class="bulk-actions">
+		@Html.TextBoxFor(m => m.Options.Search, new { @class = "text"})        
+        <label for="filterResults">@T("Filter:")</label>
+        <select id="filterResults" name="@Html.NameOf(m => m.Options.Filter)">
+            @Html.SelectOption(Model.Options.Filter, UsersFilter.All, T("All Users").ToString())
+            @Html.SelectOption(Model.Options.Filter, UsersFilter.Approved, T("Approved Users").ToString())
+            @Html.SelectOption(Model.Options.Filter, UsersFilter.Pending, T("Pending Users").ToString())
+            @Html.SelectOption(Model.Options.Filter, UsersFilter.EmailPending, T("Pending Emails").ToString())
+        </select>
+		<label for="filterResults">@T("Sort by:")</label>
+        <select id="filterResults" name="@Html.NameOf(m => m.Options.Order)">
+            @Html.SelectOption(Model.Options.Order, UsersOrder.Name, T("Name").ToString())
+            @Html.SelectOption(Model.Options.Order, UsersOrder.Email, T("Email").ToString())
+        </select>
+        <button type="submit" name="submit.Filter" value="@T("Apply")">@T("Apply")</button>
+    </fieldset>
+    <fieldset>		
         <table class="items">
-            <colgroup>
-                <col id="Name" />
-                <col id="Email" />
-                <col id="Edit" />
-            </colgroup>
             <thead>
                 <tr>
+                    <th scope="col">&nbsp;&darr;</th>
                     <th scope="col">@T("Name")</th>
                     <th scope="col">@T("Email")</th>
-                    <th scope="col">@T("") </th>
+                    <th scope="col">@T("Actions")</th>
                 </tr>
             </thead>
-            @foreach (var row in Model.Rows) { 
-            <tr>
+            @foreach (var entry in Model.Users) { 
+			<tr>
                 <td>
-                    @if(row.UserPart.RegistrationStatus == UserStatus.Approved && row.UserPart.EmailStatus == UserStatus.Approved) { 
+                    <input type="hidden" value="@Model.Users[userIndex].User.Id" name="@Html.NameOf(m => m.Users[userIndex].User.Id)"/>
+                    <input type="checkbox" value="true" name="@Html.NameOf(m => m.Users[userIndex].IsChecked)"/>
+                </td>
+                <td>
+                    @if(entry.User.RegistrationStatus == UserStatus.Approved && entry.User.EmailStatus == UserStatus.Approved) { 
                     <img class="icon" src="@Href("~/Modules/Orchard.Users/Content/Admin/images/online.gif") " alt="@T("Approved") " title="@T("User is approved") " /> 
                     } 
                     else { 
-                    <img class="icon" src="@Href("~/Modules/Orchard.Users/Content/Admin/images/offline.gif") " alt="@T("Moderated") " title="@if(row.UserPart.EmailStatus == UserStatus.Approved) { @T("User is moderated") } else { @T("E-mail validation is pending") }" />
+                    <img class="icon" src="@Href("~/Modules/Orchard.Users/Content/Admin/images/offline.gif") " alt="@T("Moderated") " title="@if(entry.User.EmailStatus == UserStatus.Approved) { @T("User is moderated") } else { @T("E-mail validation is pending") }" />
                     } 
-                    @Html.ActionLink(row.UserPart.UserName, "Edit", new { row.UserPart.Id }) 
+                    @Html.ActionLink(entry.User.UserName, "Edit", new { entry.User.Id }) 
                 </td>
                 <td>
-                    @row.UserPart.Email 
+                    @entry.User.Email 
                 </td>
                 <td>
-                    @Html.ActionLink(T("Edit").ToString(), "Edit", new { row.UserPart.Id }) |
-                    @Html.ActionLink(T("Remove").ToString(), "Delete", new { row.UserPart.Id }) |
-                    @if(row.UserPart.RegistrationStatus == UserStatus.Pending) {
-                        @Html.ActionLink(T("Approve").ToString(), "Approve", new { row.UserPart.Id })
+                    @Html.ActionLink(T("Edit").ToString(), "Edit", new { entry.User.Id }) |
+                    @Html.ActionLink(T("Remove").ToString(), "Delete", new { entry.User.Id }) |
+                    @if(entry.User.RegistrationStatus == UserStatus.Pending) {
+                        @Html.ActionLink(T("Approve").ToString(), "Approve", new { entry.User.Id })
                     } else {
-                        @Html.ActionLink(T("Disable").ToString(), "Moderate", new { row.UserPart.Id })
+                        @Html.ActionLink(T("Disable").ToString(), "Moderate", new { entry.User.Id })
                     }
-                    @if ( row.UserPart.EmailStatus == UserStatus.Pending ) { <text>|</text>
-                        @Html.ActionLink(T("Send challenge E-mail").ToString(), "SendChallengeEmail", new { row.UserPart.Id })
+                    @if ( entry.User.EmailStatus == UserStatus.Pending ) { <text>|</text>
+                        @Html.ActionLink(T("Send challenge E-mail").ToString(), "SendChallengeEmail", new { entry.User.Id })
                     } 
                 </td>
             </tr>
-            }
+            userIndex++;
+			}
         </table>
+	<span class="hint">@T.Plural("No user found", "{1} users found", (int)Model.Pager.TotalItemCount + 1, (int)Model.Pager.TotalItemCount)</span>
+	@Display(Model.Pager)
     </fieldset>
 } 
\ No newline at end of file