diff --git a/docs/manpages/nfdc-cs.rst b/docs/manpages/nfdc-cs.rst
index cef31b8..4ff387c 100644
--- a/docs/manpages/nfdc-cs.rst
+++ b/docs/manpages/nfdc-cs.rst
@@ -3,7 +3,7 @@
 
 SYNOPSIS
 --------
-| nfdc cs info
+| nfdc cs [info]
 
 DESCRIPTION
 -----------
diff --git a/docs/manpages/nfdc-face.rst b/docs/manpages/nfdc-face.rst
index 37c6c06..f9dd1fd 100644
--- a/docs/manpages/nfdc-face.rst
+++ b/docs/manpages/nfdc-face.rst
@@ -5,7 +5,10 @@
 --------
 | nfdc face [list [[remote] <FACEURI>] [local <FACEURI>] [scheme <SCHEME>]]
 | nfdc face show [id] <FACEID>
-| nfdc face create [remote] <FACEURI> [[persistency] <PERSISTENCY>] [local <FACEURI>] [reliability on|off] [congestion-marking on|off] [congestion-marking-interval <MARKING-INTERVAL>] [default-congestion-threshold <CONGESTION-THRESHOLD>]
+| nfdc face create [remote] <FACEURI> [[persistency] <PERSISTENCY>] [local <FACEURI>]
+|                  [reliability on|off] [congestion-marking on|off]
+|                  [congestion-marking-interval <MARKING-INTERVAL>]
+|                  [default-congestion-threshold <CONGESTION-THRESHOLD>]
 | nfdc face destroy [face] <FACEID|FACEURI>
 | nfdc channel [list]
 
diff --git a/docs/manpages/nfdc-route.rst b/docs/manpages/nfdc-route.rst
index cbaf2bf..3b28439 100644
--- a/docs/manpages/nfdc-route.rst
+++ b/docs/manpages/nfdc-route.rst
@@ -5,8 +5,8 @@
 --------
 | nfdc route [list [[nexthop] <FACEID|FACEURI>] [origin <ORIGIN>]]
 | nfdc route show [prefix] <PREFIX>
-| nfdc route add [prefix] <PREFIX> [nexthop] <FACEID|FACEURI> [origin <ORIGIN>] [cost <COST>]
-|   [no-inherit] [capture] [expires <EXPIRATION-MILLIS>]
+| nfdc route add [prefix] <PREFIX> [nexthop] <FACEID|FACEURI> [origin <ORIGIN>]
+|                [cost <COST>] [no-inherit] [capture] [expires <EXPIRATION-MILLIS>]
 | nfdc route remove [prefix] <PREFIX> [nexthop] <FACEID|FACEURI> [origin <ORIGIN>]
 | nfdc fib [list]
 
diff --git a/tests/tools/nfdc/command-definition.t.cpp b/tests/tools/nfdc/command-definition.t.cpp
index 34b5969..374e36d 100644
--- a/tests/tools/nfdc/command-definition.t.cpp
+++ b/tests/tools/nfdc/command-definition.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2014-2017,  Regents of the University of California,
+/*
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -144,6 +144,8 @@
 
 BOOST_AUTO_TEST_CASE(NoneType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::NONE), "none");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::NONE, Required::YES, Positional::NO);
 
@@ -159,6 +161,8 @@
 
 BOOST_AUTO_TEST_CASE(AnyType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::ANY), "any");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::ANY, Required::NO, Positional::YES);
 
@@ -183,8 +187,42 @@
   BOOST_CHECK_EQUAL(values.at(1), "c");
 }
 
+BOOST_AUTO_TEST_CASE(BooleanType)
+{
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::BOOLEAN), "boolean");
+
+  CommandDefinition cs("noun", "verb");
+  cs.addArg("a", ArgValueType::BOOLEAN, Required::YES);
+
+  CommandArguments ca;
+
+  ca = cs.parse({"a", "on"});
+  BOOST_CHECK_EQUAL(ca.size(), 1);
+  BOOST_CHECK(ca.at("a").type() == typeid(bool));
+  BOOST_CHECK_EQUAL(ca.get<bool>("a"), true);
+
+  ca = cs.parse({"a", "off"});
+  BOOST_CHECK_EQUAL(ca.size(), 1);
+  BOOST_CHECK(ca.at("a").type() == typeid(bool));
+  BOOST_CHECK_EQUAL(ca.get<bool>("a"), false);
+
+  BOOST_CHECK_EQUAL(cs.parse({"a", "true"}).get<bool>("a"), true);
+  BOOST_CHECK_EQUAL(cs.parse({"a", "enabled"}).get<bool>("a"), true);
+  BOOST_CHECK_EQUAL(cs.parse({"a", "yes"}).get<bool>("a"), true);
+  BOOST_CHECK_EQUAL(cs.parse({"a", "1"}).get<bool>("a"), true);
+  BOOST_CHECK_EQUAL(cs.parse({"a", "false"}).get<bool>("a"), false);
+  BOOST_CHECK_EQUAL(cs.parse({"a", "disabled"}).get<bool>("a"), false);
+  BOOST_CHECK_EQUAL(cs.parse({"a", "no"}).get<bool>("a"), false);
+  BOOST_CHECK_EQUAL(cs.parse({"a", "0"}).get<bool>("a"), false);
+
+  BOOST_CHECK_THROW(cs.parse({"a", "42"}), CommandDefinition::Error);
+  BOOST_CHECK_THROW(cs.parse({"a", "not-bool"}), CommandDefinition::Error);
+}
+
 BOOST_AUTO_TEST_CASE(UnsignedType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::UNSIGNED), "non-negative integer");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::UNSIGNED, Required::YES);
 
@@ -206,6 +244,8 @@
 
 BOOST_AUTO_TEST_CASE(StringType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::STRING), "string");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::STRING, Required::YES);
 
@@ -219,6 +259,8 @@
 
 BOOST_AUTO_TEST_CASE(ReportFormatType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::REPORT_FORMAT), "ReportFormat");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::REPORT_FORMAT, Required::YES);
 
@@ -239,6 +281,8 @@
 
 BOOST_AUTO_TEST_CASE(NameType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::NAME), "Name");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::NAME, Required::YES);
 
@@ -252,6 +296,8 @@
 
 BOOST_AUTO_TEST_CASE(FaceUriType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::FACE_URI), "FaceUri");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::FACE_URI, Required::YES);
 
@@ -268,6 +314,8 @@
 
 BOOST_AUTO_TEST_CASE(FaceIdOrUriType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::FACE_ID_OR_URI), "FaceId or FaceUri");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::FACE_ID_OR_URI, Required::YES);
 
@@ -288,6 +336,8 @@
 
 BOOST_AUTO_TEST_CASE(FacePersistencyType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::FACE_PERSISTENCY), "FacePersistency");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::FACE_PERSISTENCY, Required::YES);
 
@@ -296,14 +346,12 @@
   ca = cs.parse(std::vector<std::string>{"a", "persistent"});
   BOOST_CHECK_EQUAL(ca.size(), 1);
   BOOST_CHECK(ca.at("a").type() == typeid(FacePersistency));
-  BOOST_CHECK_EQUAL(ca.get<FacePersistency>("a"),
-                    FacePersistency::FACE_PERSISTENCY_PERSISTENT);
+  BOOST_CHECK_EQUAL(ca.get<FacePersistency>("a"), FacePersistency::FACE_PERSISTENCY_PERSISTENT);
 
   ca = cs.parse(std::vector<std::string>{"a", "permanent"});
   BOOST_CHECK_EQUAL(ca.size(), 1);
   BOOST_CHECK(ca.at("a").type() == typeid(FacePersistency));
-  BOOST_CHECK_EQUAL(ca.get<FacePersistency>("a"),
-                    FacePersistency::FACE_PERSISTENCY_PERMANENT);
+  BOOST_CHECK_EQUAL(ca.get<FacePersistency>("a"), FacePersistency::FACE_PERSISTENCY_PERMANENT);
 
   // nfdc does not accept "on-demand"
   BOOST_CHECK_THROW(cs.parse(std::vector<std::string>{"a", "on-demand"}), CommandDefinition::Error);
@@ -311,6 +359,8 @@
 
 BOOST_AUTO_TEST_CASE(RouteOriginType)
 {
+  BOOST_CHECK_EQUAL(boost::lexical_cast<std::string>(ArgValueType::ROUTE_ORIGIN), "RouteOrigin");
+
   CommandDefinition cs("noun", "verb");
   cs.addArg("a", ArgValueType::ROUTE_ORIGIN, Required::YES);
 
@@ -319,14 +369,12 @@
   ca = cs.parse(std::vector<std::string>{"a", "Nlsr"});
   BOOST_CHECK_EQUAL(ca.size(), 1);
   BOOST_CHECK(ca.at("a").type() == typeid(RouteOrigin));
-  BOOST_CHECK_EQUAL(ca.get<RouteOrigin>("a"),
-                    RouteOrigin::ROUTE_ORIGIN_NLSR);
+  BOOST_CHECK_EQUAL(ca.get<RouteOrigin>("a"), RouteOrigin::ROUTE_ORIGIN_NLSR);
 
   ca = cs.parse(std::vector<std::string>{"a", "27"});
   BOOST_CHECK_EQUAL(ca.size(), 1);
   BOOST_CHECK(ca.at("a").type() == typeid(RouteOrigin));
-  BOOST_CHECK_EQUAL(ca.get<RouteOrigin>("a"),
-                    static_cast<RouteOrigin>(27));
+  BOOST_CHECK_EQUAL(ca.get<RouteOrigin>("a"), static_cast<RouteOrigin>(27));
 
   BOOST_CHECK_THROW(cs.parse(std::vector<std::string>{"a", "not-RouteOrigin"}), CommandDefinition::Error);
 }
diff --git a/tests/tools/nfdc/command-parser.t.cpp b/tests/tools/nfdc/command-parser.t.cpp
index 47aa815..ddf9653 100644
--- a/tests/tools/nfdc/command-parser.t.cpp
+++ b/tests/tools/nfdc/command-parser.t.cpp
@@ -60,14 +60,12 @@
 
   BOOST_CHECK(parser.listCommands("", ParseMode::ONE_SHOT).empty());
 
-  CommandDefinition defHelp("help", "");
-  defHelp
-    .addArg("noun", ArgValueType::STRING, Required::NO, Positional::YES)
-    .addArg("verb", ArgValueType::STRING, Required::NO, Positional::YES);
-  parser.addCommand(defHelp, dummyExecute, AVAILABLE_IN_ONE_SHOT | AVAILABLE_IN_HELP);
+  CommandDefinition defFoo("foo", "");
+  parser.addCommand(defFoo, dummyExecute, AVAILABLE_IN_ONE_SHOT | AVAILABLE_IN_HELP);
 
   CommandDefinition defStatusShow("status", "show");
   parser.addCommand(defStatusShow, dummyExecute);
+  parser.addAlias("status", "show", "");
   parser.addAlias("status", "show", "list");
   BOOST_CHECK_THROW(parser.addAlias("status", "show2", "list"), std::out_of_range);
 
@@ -75,6 +73,7 @@
   defRouteList
     .addArg("nexthop", ArgValueType::FACE_ID_OR_URI, Required::NO, Positional::YES);
   parser.addCommand(defRouteList, dummyExecute);
+  parser.addAlias("route", "list", "");
 
   CommandDefinition defRouteAdd("route", "add");
   defRouteAdd
@@ -95,18 +94,18 @@
   CommandArguments ca;
   ExecuteCommand execute;
 
-  std::tie(noun, verb, ca, execute) = parser.parse({"help"}, ParseMode::ONE_SHOT);
-  BOOST_CHECK_EQUAL(noun, "help");
-  BOOST_CHECK_EQUAL(verb, "");
-
-  std::tie(noun, verb, ca, execute) = parser.parse({"help", "foo"}, ParseMode::ONE_SHOT);
-  BOOST_CHECK_EQUAL(noun, "help");
+  std::tie(noun, verb, ca, execute) = parser.parse({"foo"}, ParseMode::ONE_SHOT);
+  BOOST_CHECK_EQUAL(noun, "foo");
   BOOST_CHECK_EQUAL(verb, "");
 
   std::tie(noun, verb, ca, execute) = parser.parse({"status"}, ParseMode::ONE_SHOT);
   BOOST_CHECK_EQUAL(noun, "status");
   BOOST_CHECK_EQUAL(verb, "show");
 
+  std::tie(noun, verb, ca, execute) = parser.parse({"status", "list"}, ParseMode::ONE_SHOT);
+  BOOST_CHECK_EQUAL(noun, "status");
+  BOOST_CHECK_EQUAL(verb, "show");
+
   std::tie(noun, verb, ca, execute) = parser.parse({"route", "add", "/n", "300"}, ParseMode::ONE_SHOT);
   BOOST_CHECK_EQUAL(noun, "route");
   BOOST_CHECK_EQUAL(verb, "add");
@@ -124,10 +123,12 @@
 
   BOOST_CHECK_THROW(parser.parse({}, ParseMode::ONE_SHOT),
                     CommandParser::NoSuchCommandError);
-  BOOST_CHECK_THROW(parser.parse({"cant-help"}, ParseMode::ONE_SHOT),
+  BOOST_CHECK_THROW(parser.parse({"bar"}, ParseMode::ONE_SHOT),
                     CommandParser::NoSuchCommandError);
   BOOST_CHECK_THROW(parser.parse({"status", "hide"}, ParseMode::ONE_SHOT),
                     CommandParser::NoSuchCommandError);
+  BOOST_CHECK_THROW(parser.parse({"status", "show", "something"}, ParseMode::ONE_SHOT),
+                    CommandDefinition::Error);
   BOOST_CHECK_THROW(parser.parse({"route", "66"}, ParseMode::ONE_SHOT),
                     CommandParser::NoSuchCommandError);
   BOOST_CHECK_THROW(parser.parse({"route", "add"}, ParseMode::ONE_SHOT),
diff --git a/tools/nfdc/command-parser.cpp b/tools/nfdc/command-parser.cpp
index 59c4912..a201272 100644
--- a/tools/nfdc/command-parser.cpp
+++ b/tools/nfdc/command-parser.cpp
@@ -114,24 +114,10 @@
 
   const std::string& noun = tokens.size() > 0 ? tokens[0] : "";
   const std::string& verb = tokens.size() > 1 ? tokens[1] : "";
-  size_t nameLen = std::min<size_t>(2, tokens.size());
 
   NDN_LOG_TRACE("parse mode=" << mode << " noun=" << noun << " verb=" << verb);
 
   auto i = m_commands.find({noun, verb});
-  if (i == m_commands.end()) {
-    if (verb.empty()) {
-      NDN_LOG_TRACE("fallback to noun=" << noun << " verb=list");
-      i = m_commands.find({noun, "list"});
-    }
-    else {
-      // help, exit, quit commands
-      NDN_LOG_TRACE("fallback to noun=" << noun << " verb=");
-      i = m_commands.find({noun, ""});
-    }
-    nameLen = std::min<size_t>(1, tokens.size());
-  }
-
   if (i == m_commands.end() || (i->second->modes & static_cast<AvailableIn>(mode)) == 0) {
     BOOST_THROW_EXCEPTION(NoSuchCommandError(noun, verb));
   }
@@ -139,7 +125,8 @@
   const CommandDefinition& def = i->second->def;
   NDN_LOG_TRACE("found command noun=" << def.getNoun() << " verb=" << def.getVerb());
 
-  return std::make_tuple(def.getNoun(), def.getVerb(), def.parse(tokens, nameLen), i->second->execute);
+  size_t nConsumed = std::min<size_t>(2, tokens.size());
+  return std::make_tuple(def.getNoun(), def.getVerb(), def.parse(tokens, nConsumed), i->second->execute);
 }
 
 } // namespace nfdc
diff --git a/tools/nfdc/face-module.cpp b/tools/nfdc/face-module.cpp
index 560b223..93a6563 100644
--- a/tools/nfdc/face-module.cpp
+++ b/tools/nfdc/face-module.cpp
@@ -40,6 +40,7 @@
     .addArg("local", ArgValueType::FACE_URI, Required::NO, Positional::NO)
     .addArg("scheme", ArgValueType::STRING, Required::NO, Positional::NO, "scheme");
   parser.addCommand(defFaceList, &FaceModule::list);
+  parser.addAlias("face", "list", "");
 
   CommandDefinition defFaceShow("face", "show");
   defFaceShow
diff --git a/tools/nfdc/rib-module.cpp b/tools/nfdc/rib-module.cpp
index f9d888f..a5a2454 100644
--- a/tools/nfdc/rib-module.cpp
+++ b/tools/nfdc/rib-module.cpp
@@ -40,6 +40,7 @@
     .addArg("nexthop", ArgValueType::FACE_ID_OR_URI, Required::NO, Positional::YES)
     .addArg("origin", ArgValueType::ROUTE_ORIGIN, Required::NO, Positional::NO);
   parser.addCommand(defRouteList, &RibModule::list);
+  parser.addAlias("route", "list", "");
 
   CommandDefinition defRouteShow("route", "show");
   defRouteShow
diff --git a/tools/nfdc/status.cpp b/tools/nfdc/status.cpp
index 5365fbb..a47d12b 100644
--- a/tools/nfdc/status.cpp
+++ b/tools/nfdc/status.cpp
@@ -129,22 +129,25 @@
   defStatusShow
     .setTitle("print general status");
   parser.addCommand(defStatusShow, bind(&reportStatusSingleSection, _1, &StatusReportOptions::wantForwarderGeneral));
-  parser.addAlias("status", "show", "list");
+  parser.addAlias("status", "show", "");
 
   CommandDefinition defChannelList("channel", "list");
   defChannelList
     .setTitle("print channel list");
   parser.addCommand(defChannelList, bind(&reportStatusSingleSection, _1, &StatusReportOptions::wantChannels));
+  parser.addAlias("channel", "list", "");
 
   CommandDefinition defFibList("fib", "list");
   defFibList
     .setTitle("print FIB entries");
   parser.addCommand(defFibList, bind(&reportStatusSingleSection, _1, &StatusReportOptions::wantFib));
+  parser.addAlias("fib", "list", "");
 
   CommandDefinition defCsInfo("cs", "info");
   defCsInfo
     .setTitle("print CS information");
   parser.addCommand(defCsInfo, bind(&reportStatusSingleSection, _1, &StatusReportOptions::wantCs));
+  parser.addAlias("cs", "info", "");
 }
 
 } // namespace nfdc
diff --git a/tools/nfdc/strategy-choice-module.cpp b/tools/nfdc/strategy-choice-module.cpp
index 9e0031f..5f81f7a 100644
--- a/tools/nfdc/strategy-choice-module.cpp
+++ b/tools/nfdc/strategy-choice-module.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
- * Copyright (c) 2014-2017,  Regents of the University of California,
+/*
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -37,6 +37,7 @@
   defStrategyList
     .setTitle("print strategy choices");
   parser.addCommand(defStrategyList, &StrategyChoiceModule::list);
+  parser.addAlias("strategy", "list", "");
 
   CommandDefinition defStrategyShow("strategy", "show");
   defStrategyShow