fixed invalid command handling

yoy it works

ShiftOS.Engine/ShiftOS.Engine.csproj

@@ -76,6 +76,12 @@
     <Compile Include="ShiftFS\ShiftFS.cs" />
     <Compile Include="ShiftFS\IShiftNode.cs" />
     <Compile Include="Misc\Tools.cs" />
+    <Compile Include="UI\ShiftButton.cs">
+      <SubType>UserControl</SubType>
+    </Compile>
+    <Compile Include="UI\ShiftButton.Designer.cs">
+      <DependentUpon>ShiftButton.cs</DependentUpon>
+    </Compile>
     <Compile Include="WindowManager\InfoboxTemplate.cs">
       <SubType>UserControl</SubType>
     </Compile>
@@ -1102,8 +1108,6 @@
   <ItemGroup>
     <None Include="Resources\zoombuttonpressed.png" />
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="UI\" />
-  </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>

ShiftOS.Engine/UI/ShiftButton.Designer.cs

@@ -0,0 +1,37 @@
+namespace ShiftOS.Engine.UI
+{
+    partial class ShiftButton
+    {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            components = new System.ComponentModel.Container();
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+        }
+
+        #endregion
+    }
+}

ShiftOS.Engine/UI/ShiftButton.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ShiftOS.Engine.UI
+{
+    public partial class ShiftButton : UserControl
+    {
+        public ShiftButton()
+        {
+            InitializeComponent();
+        }
+    }
+}

ShiftOS.Main/Terminal/TerminalBackend.cs

@@ -30,6 +30,7 @@ namespace ShiftOS.Main.Terminal
             var theParams = new string[command.Split(' ').Length - 1];
             Array.Copy(command.Split(' '), 1, theParams, 0, command.Split(' ').Length - 1);
 
+            bool complete = false;
             foreach (TerminalCommand instance in instances)
             {
                 if (instance.Name.ToLower() == name.ToLower())
@@ -38,14 +39,17 @@ namespace ShiftOS.Main.Terminal
                     // Add a new line!
                     Array.Find(trm.ToArray(), w => w.TerminalID == TermID).termmain.AppendText("\n");
                     instance.Run(theParams);
+                    complete = true;
                     return;
                 }
-                else
+            }
+              if(!complete)
               {
                   Array.Find(trm.ToArray(), w => w.TerminalID == TermID).termmain.AppendText($"\nsbash: {command.Split(' ').First()}: invalid command");
                   return;
               }
-            }
+
+
 
             Array.Find(trm.ToArray(), w => w.TerminalID == TermID).termmain.Text += " \n The command cannot be found. \n";
         }