diff --git a/src/app/cmd.js b/src/app/cmd.js
index 27f797f..4670b61 100644
--- a/src/app/cmd.js
+++ b/src/app/cmd.js
@@ -55,8 +55,7 @@ var cmd = {
     };
 
     function displayCommandError(input, message) {
-        var error = new app.models.ErrorResult(message);
-        cmdController.display(new app.models.DisplayResult(input, error));
+        console.error('[displayCommandError] not implemented');
     }
 
     function invokeHandler (input, handler) {
diff --git a/src/app/commands.js b/src/app/commands.js
index ea955ba..9350227 100644
--- a/src/app/commands.js
+++ b/src/app/commands.js
@@ -1,5 +1,6 @@
 import appState from './appState';
 import HelpResult from './models/HelpResult';
+import UnknownCommandResult from './models/UnknownCommandResult';
 
 var cmdConfig = {};
 
@@ -41,5 +42,10 @@ export default {
             },
             '-notrack': function () {}
         });
+
+        cmd.command({
+            canHandle: () => true,
+            handle: (c) => appState.addCommandResult(new UnknownCommandResult(c.input))
+        })
     }
  }
\ No newline at end of file
diff --git a/src/app/components/AppRoot.jsx b/src/app/components/AppRoot.jsx
index 7614486..5a0d4c2 100644
--- a/src/app/components/AppRoot.jsx
+++ b/src/app/components/AppRoot.jsx
@@ -12,7 +12,7 @@ export default class AppRoot extends React.Component {
         this.setState(this.props.appState);
     }
     render() {
-        var results = this.state.commandResults.map((r, i) => <DisplayResultView key={i} content={r} input="sad" inputHash="asd" />);
+        var results = this.state.commandResults.map((r, i) => <DisplayResultView key={i} content={r} input={r.input} inputHash={r.inputHash} />);
         return <div>
             <div className="header">
                 <h1>Bitwise<span style={{color: "#c5c5c5"}}>Cmd</span></h1>
diff --git a/src/app/components/results/DisplayResultView.jsx b/src/app/components/results/DisplayResultView.jsx
index 315ff06..aa17ae5 100644
--- a/src/app/components/results/DisplayResultView.jsx
+++ b/src/app/components/results/DisplayResultView.jsx
@@ -1,9 +1,16 @@
 import React from 'react';
 import HelpResultView from './HelpResultView';
 import HelpResult from '../../models/HelpResult';
+import UnknownCommandResult from '../../models/UnknownCommandResult';
+
 
 export default class DisplayResult extends React.Component {
     render() {
+
+        if(this.props.content instanceof UnknownCommandResult) {
+            return this.renderUnknown();            
+        }
+
         return <div className="result">
                         <div className="input mono"><span className="cur">&gt;</span>{this.props.content.input}<a class="hashLink" title="Link for this expression" href={window.location.pathname + '#' + this.props.inputHash}>#</a></div>
                         <div className="content">
@@ -12,6 +19,10 @@ export default class DisplayResult extends React.Component {
                     </div>;
     }
 
+    renderUnknown() {
+        return <div className="error">Sorry, i don't know what <strong>{this.props.input}</strong> is :(</div>
+    }
+
     findResultComponent(result, key) {
         if(result instanceof HelpResult) {
             return <HelpResultView key={key} content={result} />
diff --git a/src/app/index.jsx b/src/app/index.jsx
index b64715d..3761a37 100644
--- a/src/app/index.jsx
+++ b/src/app/index.jsx
@@ -9,6 +9,7 @@ import AppRoot from './components/AppRoot';
 commands.initialize(cmd);
 
 cmd.execute('help');
+cmd.execute('bluh');
 
 var root = <AppRoot appState={appState} />;
 ReactDOM.render(root, document.getElementById('root'));
\ No newline at end of file
diff --git a/src/app/models/CommandResult.js b/src/app/models/CommandResult.js
index b5f5a6a..a47fa2c 100644
--- a/src/app/models/CommandResult.js
+++ b/src/app/models/CommandResult.js
@@ -1,5 +1,10 @@
 export default class CommandResult {
     constructor(input) {
         this.input = input;
+        this.inputHash = this.encodeHash(input);
+    }
+
+    encodeHash (string) {
+                return encodeURI(string.trim().replace(/\s/g,','));
     }
 }
\ No newline at end of file
diff --git a/src/app/models/UnknownCommandResult.js b/src/app/models/UnknownCommandResult.js
new file mode 100644
index 0000000..5ce563e
--- /dev/null
+++ b/src/app/models/UnknownCommandResult.js
@@ -0,0 +1,8 @@
+import CommandResult from './CommandResult';
+
+export default class UnknownCommandResult extends CommandResult {
+    constructor(input) {
+        super(input);
+        this.message = `Sorry, i don''t know what ${input} is :(`;
+    }
+}
\ No newline at end of file