diff --git a/cli/src/main/java/org/onlab/onos/cli/net/FlowsListCommand.java b/cli/src/main/java/org/onlab/onos/cli/net/FlowsListCommand.java
index 902b27b..28309c5 100644
--- a/cli/src/main/java/org/onlab/onos/cli/net/FlowsListCommand.java
+++ b/cli/src/main/java/org/onlab/onos/cli/net/FlowsListCommand.java
@@ -1,14 +1,9 @@
 package org.onlab.onos.cli.net;
 
-import static com.google.common.collect.Lists.newArrayList;
-import static org.onlab.onos.cli.net.DevicesListCommand.getSortedDevices;
-
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-
+import com.google.common.collect.Maps;
 import org.apache.karaf.shell.commands.Argument;
 import org.apache.karaf.shell.commands.Command;
+import org.onlab.onos.CoreService;
 import org.onlab.onos.cli.AbstractShellCommand;
 import org.onlab.onos.cli.Comparators;
 import org.onlab.onos.net.Device;
@@ -18,37 +13,43 @@
 import org.onlab.onos.net.flow.FlowEntry.FlowEntryState;
 import org.onlab.onos.net.flow.FlowRuleService;
 
-import com.google.common.collect.Maps;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+import static com.google.common.collect.Lists.newArrayList;
+import static org.onlab.onos.cli.net.DevicesListCommand.getSortedDevices;
 
 /**
  * Lists all currently-known hosts.
  */
 @Command(scope = "onos", name = "flows",
-description = "Lists all currently-known flows.")
+         description = "Lists all currently-known flows.")
 public class FlowsListCommand extends AbstractShellCommand {
 
     public static final String ANY = "any";
 
     private static final String FMT =
-            "   id=%s, state=%s, bytes=%s, packets=%s, duration=%s, priority=%s";
+            "   id=%s, state=%s, bytes=%s, packets=%s, duration=%s, priority=%s, appId=%s";
     private static final String TFMT = "      treatment=%s";
     private static final String SFMT = "      selector=%s";
 
     @Argument(index = 1, name = "uri", description = "Device ID",
-            required = false, multiValued = false)
+              required = false, multiValued = false)
     String uri = null;
 
     @Argument(index = 0, name = "state", description = "Flow Rule state",
-            required = false, multiValued = false)
+              required = false, multiValued = false)
     String state = null;
 
     @Override
     protected void execute() {
+        CoreService coreService = get(CoreService.class);
         DeviceService deviceService = get(DeviceService.class);
         FlowRuleService service = get(FlowRuleService.class);
         Map<Device, List<FlowEntry>> flows = getSortedFlows(deviceService, service);
         for (Device d : getSortedDevices(deviceService)) {
-            printFlows(d, flows.get(d));
+            printFlows(d, flows.get(d), coreService);
         }
     }
 
@@ -67,7 +68,7 @@
             s = FlowEntryState.valueOf(state.toUpperCase());
         }
         Iterable<Device> devices = uri == null ? deviceService.getDevices() :
-            Collections.singletonList(deviceService.getDevice(DeviceId.deviceId(uri)));
+                Collections.singletonList(deviceService.getDevice(DeviceId.deviceId(uri)));
         for (Device d : devices) {
             if (s == null) {
                 rules = newArrayList(service.getFlowEntries(d.id()));
@@ -87,16 +88,19 @@
 
     /**
      * Prints flows.
-     * @param d the device
+     *
+     * @param d     the device
      * @param flows the set of flows for that device.
      */
-    protected void printFlows(Device d, List<FlowEntry> flows) {
+    protected void printFlows(Device d, List<FlowEntry> flows,
+                              CoreService coreService) {
         boolean empty = flows == null || flows.isEmpty();
         print("deviceId=%s, flowRuleCount=%d", d.id(), empty ? 0 : flows.size());
         if (!empty) {
             for (FlowEntry f : flows) {
-                print(FMT, Long.toHexString(f.id().value()), f.state(), f.bytes(),
-                      f.packets(), f.life(), f.priority());
+                print(FMT, Long.toHexString(f.id().value()), f.state(),
+                      f.bytes(), f.packets(), f.life(), f.priority(),
+                      coreService.getAppId(f.appId()).name());
                 print(SFMT, f.selector().criteria());
                 print(TFMT, f.treatment().instructions());
             }
diff --git a/core/net/src/main/java/org/onlab/onos/impl/CoreManager.java b/core/net/src/main/java/org/onlab/onos/impl/CoreManager.java
index 29a8438..edfc080 100644
--- a/core/net/src/main/java/org/onlab/onos/impl/CoreManager.java
+++ b/core/net/src/main/java/org/onlab/onos/impl/CoreManager.java
@@ -1,11 +1,5 @@
 package org.onlab.onos.impl;
 
-import java.io.File;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.atomic.AtomicInteger;
-
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Service;
@@ -14,6 +8,11 @@
 import org.onlab.onos.Version;
 import org.onlab.util.Tools;
 
+import java.io.File;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicInteger;
 
 /**
  * Core service implementation.
@@ -23,10 +22,11 @@
 public class CoreManager implements CoreService {
 
     private static final AtomicInteger ID_DISPENSER = new AtomicInteger(1);
+
     private static final File VERSION_FILE = new File("../VERSION");
     private static Version version = Version.version("1.0.0-SNAPSHOT");
 
-    private final Map<Short, DefaultApplicationId> ids = new ConcurrentHashMap<>();
+    private final Map<Short, DefaultApplicationId> appIds = new ConcurrentHashMap<>();
 
     // TODO: work in progress
 
@@ -45,12 +45,15 @@
 
     @Override
     public ApplicationId getAppId(Short id) {
-        return ids.get(id);
+        return appIds.get(id);
     }
 
     @Override
     public ApplicationId registerApplication(String name) {
-        return new DefaultApplicationId((short) ID_DISPENSER.getAndIncrement(), name);
+        short id = (short) ID_DISPENSER.getAndIncrement();
+        DefaultApplicationId appId = new DefaultApplicationId(id, name);
+        appIds.put(id, appId);
+        return appId;
     }
 
 }
diff --git a/core/net/src/main/java/org/onlab/onos/impl/DefaultApplicationId.java b/core/net/src/main/java/org/onlab/onos/impl/DefaultApplicationId.java
index 04012db..eed5fb0 100644
--- a/core/net/src/main/java/org/onlab/onos/impl/DefaultApplicationId.java
+++ b/core/net/src/main/java/org/onlab/onos/impl/DefaultApplicationId.java
@@ -1,19 +1,19 @@
 package org.onlab.onos.impl;
 
+import org.onlab.onos.ApplicationId;
+
 import java.util.Objects;
 
-import org.onlab.onos.ApplicationId;
+import static com.google.common.base.MoreObjects.toStringHelper;
 
 /**
  * Application id generator class.
  */
 public class DefaultApplicationId implements ApplicationId {
 
-
     private final short id;
     private final String name;
 
-
     // Ban public construction
     protected DefaultApplicationId(Short id, String identifier) {
         this.id = id;
@@ -40,13 +40,16 @@
         if (this == obj) {
             return true;
         }
-        if (obj == null) {
-            return false;
+        if (obj instanceof DefaultApplicationId) {
+            DefaultApplicationId other = (DefaultApplicationId) obj;
+            return Objects.equals(this.id, other.id);
         }
-        if (!(obj instanceof DefaultApplicationId)) {
-            return false;
-        }
-        DefaultApplicationId other = (DefaultApplicationId) obj;
-        return Objects.equals(this.id, other.id);
+        return false;
     }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this).add("id", id).add("name", name).toString();
+    }
+
 }
diff --git a/tools/dev/bash_profile b/tools/dev/bash_profile
index 6c1444f..a17ae2a 100644
--- a/tools/dev/bash_profile
+++ b/tools/dev/bash_profile
@@ -33,6 +33,7 @@
 alias op='onos-package'
 alias ot='onos-test'
 alias ol='onos-log'
+alias ow='onos-watch'
 alias go='ob && ot && onos -w'
 alias pub='onos-push-update-bundle'
 
diff --git a/tools/test/bin/onos-watch b/tools/test/bin/onos-watch
index d210bc9..a9eb0e3 100755
--- a/tools/test/bin/onos-watch
+++ b/tools/test/bin/onos-watch
@@ -11,7 +11,7 @@
 commands="${2:-summary,intents,flows,hosts}"
 
 aux=/tmp/onos-watch.$$
-trap "rm -f $aux'" EXIT
+trap "rm -f $aux" EXIT
 
 echo "$commands" | tr ',' '\n' > $aux
 watch $3 "onos $node -b <$aux 2>/dev/null"