Index: src/fmain.lfm
===================================================================
--- src/fmain.lfm	(revision 7022)
+++ src/fmain.lfm	(working copy)
@@ -1569,6 +1569,12 @@
       Caption = 'Operations &Viewer'
       OnExecute = actExecute
     end
+    object actMaximizePanel: TAction
+      Tag = 16
+      Category = 'Window'
+      Caption = 'Maximize current panel'
+      OnExecute = actExecute
+    end
     object actRefresh: TAction
       Tag = 19
       Category = 'View'
@@ -2286,6 +2292,12 @@
       Caption = 'Go to previous entry in history'
       OnExecute = actExecute
     end
+    object actOpenDriveByIndex: TAction
+      Tag = 14
+      Category = 'Navigation'
+      Caption = 'Open Drive by Index'
+      OnExecute = actExecute
+    end
     object actOpenBar: TAction
       Tag = 16
       Category = 'Window'
@@ -2544,6 +2556,12 @@
       Caption = 'Load the Next Favorite Tabs in the list'
       OnExecute = actExecute
     end
+    object actActivateTabByIndex: TAction
+      Tag = 21
+      Category = 'Tabs'
+      Caption = 'Activate Tab By Index'
+      OnExecute = actExecute
+    end
     object actConfigTreeViewMenus: TAction
       Tag = 5
       Category = 'Configuration'
Index: src/fmain.pas
===================================================================
--- src/fmain.pas	(revision 7022)
+++ src/fmain.pas	(working copy)
@@ -164,6 +164,7 @@
     actKeyboard: TAction;
     actPrevTab: TAction;
     actNextTab: TAction;
+    actActivateTabByIndex: TAction;
     actCloseAllTabs: TAction;
     actSetTabOptionNormal: TAction;
     actSetTabOptionPathLocked: TAction;
@@ -188,6 +189,8 @@
     actNewTab: TAction;
     actConfigToolbars: TAction;
     actDebugShowCommandParameters: TAction;
+    actOpenDriveByIndex: TAction;
+    actMaximizePanel: TAction;
     btnF10: TSpeedButton;
     btnF3: TSpeedButton;
     btnF4: TSpeedButton;
Index: src/ufileviewnotebook.pas
===================================================================
--- src/ufileviewnotebook.pas	(revision 7022)
+++ src/ufileviewnotebook.pas	(working copy)
@@ -154,6 +154,7 @@
     procedure DestroyAllPages;
     procedure ActivatePrevTab;
     procedure ActivateNextTab;
+    procedure ActivateTabByIndex(Index: Integer);
 
     property ActivePage: TFileViewPage read GetActivePage;
     property ActiveView: TFileView read GetActiveView;
@@ -594,6 +595,17 @@
     Page[PageIndex + 1].MakeActive;
 end;
 
+procedure TFileViewNotebook.ActivateTabByIndex(Index: Integer);
+begin
+  if Index < -1 then
+    exit;
+    
+  if Index = -1 then
+    Page[PageCount - 1].MakeActive
+  else if PageCount >= Index+1 then
+    Page[Index].MakeActive;
+end;
+
 procedure TFileViewNotebook.MouseDown(Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
 {$IF DEFINED(LCLGTK2)}
 var
Index: src/uglobs.pas
===================================================================
--- src/uglobs.pas	(revision 7022)
+++ src/uglobs.pas	(working copy)
@@ -174,6 +174,9 @@
 
 
 var
+  gTempColWidth: Integer;
+  gTempSplitterPos: Double;
+  
   { For localization }
   gPOFileName,
   gHelpLang: String;
@@ -839,7 +842,7 @@
       AddIfNotExists(['F8','','',
                       'Shift+F8','','trashcan=reversesetting',''], 'cm_Delete');
       AddIfNotExists(['F9'],[],'cm_RunTerm');
-      AddIfNotExists(['Ctrl+7'],[],'cm_ShowCmdLineHistory');
+      // AddIfNotExists(['Ctrl+7'],[],'cm_ShowCmdLineHistory');
       AddIfNotExists(['Ctrl+Down'],'cm_ShowCmdLineHistory',['Ctrl+7'],[]); //Historic backward support reason...
       AddIfNotExists(['Ctrl+B'],[],'cm_FlatView');
       AddIfNotExists(['Ctrl+D'],[],'cm_DirHotList');
@@ -897,6 +900,30 @@
       AddIfNotExists(['Alt+Right'],[],'cm_ViewHistoryNext');
       AddIfNotExists(['Alt+Shift+Enter'],[],'cm_CountDirContent');
       AddIfNotExists(['Alt+Shift+F9'],[],'cm_TestArchive');
+      AddIfNotExists([
+        'Ctrl+1','','1','',
+        'Ctrl+2','','2','',
+        'Ctrl+3','','3','',
+        'Ctrl+4','','4','',
+        'Ctrl+5','','5','',
+        'Ctrl+6','','6','',
+        'Ctrl+7','','7','',
+        'Ctrl+8','','8','',
+        'Ctrl+9','','9','',
+        'Ctrl+`','','-1',''],
+      'cm_ActivateTabByIndex');
+      AddIfNotExists([
+        'Alt+1','','1','',
+        'Alt+2','','2','',
+        'Alt+3','','3','',
+        'Alt+4','','4','',
+        'Alt+5','','5','',
+        'Alt+6','','6','',
+        'Alt+7','','7','',
+        'Alt+8','','8','',
+        'Alt+9','','9',''],
+      'cm_OpenDriveByIndex');
+      AddIfNotExists(['F11','','colwidth=2,200',''],'cm_MaximizePanel');
 
       if HotMan.Version < 38 then
       begin
Index: src/umaincommands.pas
===================================================================
--- src/umaincommands.pas	(revision 7022)
+++ src/umaincommands.pas	(working copy)
@@ -200,6 +200,7 @@
    procedure cm_CloseDuplicateTabs(const Params: array of string);
    procedure cm_NextTab(const Params: array of string);
    procedure cm_PrevTab(const Params: array of string);
+   procedure cm_ActivateTabByIndex(const Params: array of string);
    procedure cm_SaveTabs(const Params: array of string);
    procedure cm_LoadTabs(const Params: array of string);
    procedure cm_SetTabOptionNormal(const Params: array of string);
@@ -333,6 +334,8 @@
     procedure cm_CopyAllTabsToOpposite(const {%H-}Params: array of string);
     procedure cm_ConfigTreeViewMenus(const {%H-}Params: array of string);
     procedure cm_ConfigTreeViewMenusColors(const {%H-}Params: array of string);
+  procedure cm_OpenDriveByIndex(const Params: array of string);
+  procedure cm_MaximizePanel(const Params: array of string);
 
    // Internal commands
    procedure cm_ExecuteToolbarItem(const Params: array of string);
@@ -358,7 +361,8 @@
      DCOSUtils, DCStrUtils, DCBasicTypes, uFileSourceCopyOperation, fSyncDirsDlg,
      uHotDir, DCXmlConfig, dmCommonData, fOptionsFrame, foptionsDirectoryHotlist,
      fOptionsToolbar, fMainCommandsDlg, uConnectionManager, fOptionsTabs, fOptionsFavoriteTabs,
-     fTreeViewMenu, fOptionsTreeViewMenu, fOptionsTreeViewMenuColor, uArchiveFileSource
+     fTreeViewMenu, fOptionsTreeViewMenu, fOptionsTreeViewMenuColor, uArchiveFileSource,
+     ExtCtrls, uColumns
      {$IFDEF COLUMNSFILEVIEW_VTV}
      , uColumnsFileViewVtv
      {$ELSE}
@@ -1474,6 +1478,19 @@
   frmMain.ActiveNotebook.ActivatePrevTab;
 end;
 
+procedure TMainCommands.cm_ActivateTabByIndex(const Params: array of string);
+var Index: Integer;
+begin
+  if Length(Params) <> 0 then
+  begin
+    Index := StrToIntDef(Params[0], 1);
+    if Index = -1 then
+      frmMain.ActiveNotebook.ActivateTabByIndex(Index)
+    else
+      frmMain.ActiveNotebook.ActivateTabByIndex(Index-1);
+  end;
+end;
+
 { TMainCommands.cm_SaveTabs }
 // To respect legacy, we can invoke "cm_SaveTabs" with a single parameter and it will be a "DefaultParam", which means without any equal sign, directly the filename.
 // With the following code, we may have more descriptive parameters like the following:
@@ -4692,10 +4709,92 @@
   if Editor.CanFocus then  Editor.SetFocus;
 end;
 
+procedure TMainCommands.cm_OpenDriveByIndex(const Params: array of string);
+var drivesCount: Integer;
+    Index: Integer;
+begin
+  if Length(Params) <> 0 then
+  begin
+    Index := StrToIntDef(Params[0], 1) - 1;
+    
+    drivesCount := frmMain.dskLeft.ButtonCount;
+    if Index < drivesCount then
+    begin
+      if frmMain.SelectedPanel = fpLeft then
+        frmMain.dskLeft.Buttons[Index].Click
+      else if frmMain.SelectedPanel = fpRight then
+        frmMain.dskRight.Buttons[Index].Click;
+    end;
+  end;
+end;
 
 
+procedure TMainCommands.cm_MaximizePanel(const Params: array of string);
+var activeColumnsView: TColumnsFileView;
+    ColumnsClass: TPanelColumnsClass;
+    colWidthParam: String;
+    notActivePanel: TPanel;
+    notActiveDiskPanel: TPanel;
+    commaPos, strLen: Integer;
+    splitPos, colId, colWidth: Integer;
+begin
+  activeColumnsView := frmMain.LeftTabs.ActivePage.FileView as TColumnsFileView;
+  ColumnsClass := ColSet.GetColumnSet(activeColumnsView.ActiveColm);
 
+  if frmMain.NotActiveFrame = frmMain.FrameLeft then
+  begin
+    notActivePanel := frmMain.pnlLeft;
+    notActiveDiskPanel := frmMain.pnlDskLeft;
+    splitPos := 0;
+  end
+  else
+  begin
+    notActivePanel := frmMain.pnlRight;  
+    notActiveDiskPanel := frmMain.pnlDskRight;
+    splitPos := 100;
+  end;
+  
+  
+  if Length(Params) <> 0 then
+  begin
+    GetParamValue(Params[0], 'colwidth', colWidthParam);
+    commaPos := Pos(',', colWidthParam);
+    strLen := Length(colWidthParam);
+    colId := StrToIntDef( Copy(colWidthParam, 1, commaPos - 1), 1 ) - 1;
+    colWidth := StrToIntDef( Copy(colWidthParam, commaPos + 1, strLen - commaPos), gTempColWidth );
+    
+    if notActivePanel.IsVisible then
+    begin
+      gTempColWidth := ColumnsClass.GetColumnWidth(colId);
+      ColumnsClass.SetColumnWidth(colId, colWidth);
+    end
+    else
+    begin
+      ColumnsClass.SetColumnWidth(colId, gTempColWidth);
+    end;
+    
+    frmMain.UpdateWindowView;
+  end;
+  
+  
+  if notActivePanel.IsVisible then
+  begin
+    notActivePanel.Hide;
+    notActiveDiskPanel.Hide;
+    frmMain.MainSplitter.Hide;
 
+    gTempSplitterPos := frmMain.MainSplitterPos;
+    DoPanelsSplitterPerPos(splitPos);
+  end
+  else
+  begin
+    DoPanelsSplitterPerPos(round(gTempSplitterPos));
+    
+    notActivePanel.Show;
+    notActiveDiskPanel.Show;
+    frmMain.MainSplitter.Show;
+  end;
+end;
 
 
 
@@ -4712,5 +4811,8 @@
 
 
 
+
+
+
 end.