After a few hours of work, a Finder window in icon mode can look something like a teenager’s room: stuff strewn all over the place, as demonstrated with the Applications folder in Figure 1.

Show Item Info: With this check box enabled, Mac OS X displays the number of items within each folder in the window. Show Icon Preview: If you enable this check box, the Finder displays icons for image files using a miniature of the actual picture. (A cool feature for those with digital cameras — however, showing a preview does take extra.

Figure 1: Will someone please clean up this mess?

To restore order to your Desktop, click in any open area of the active window and then choose View –> Clean Up. This command leaves the icons in approximately the same position but snaps them to an invisible grid so that they’re aligned, as shown in Figure 2.

Figure 2: Tidying up is no problem with the Clean Up menu command.

After things are in alignment, work with the icon view options. (Naturally, you’ll want the active Finder window in icon view first, so choose View –> As Icons or press COMMAND+1.) From the Finder menu, choose View –> Show View Options — or press that swingin’ COMMAND+J shortcut — to display the View Options dialog box that you see in Figure 3. (Remember that these options are the ones available for icon view.)

Figure 3: The settings available for icon view.

Note these first two radio buttons, which also appear in the list View Options dialog box:

• This Window Only: Select the This Window Only radio button to apply the changes that you make only to the Finder window that opens when you open the selected item — in other words, the item that appears in the window’s title bar.

For example, any changes made to the settings in Figure 3 will affect only the Applications folder because it was the active Finder window when you pressed COMMAND+ J. (You may have noticed that the window name also appears as the title of the View Options dialog box.)

• All Windows: Select the All Windows radio button to apply the changes that you make to all Finder windows that you view in your current mode.

Of course, Mac OS X remembers the changes that you make within the View Options dialog box, no matter which view mode you’re configuring. You can also make other changes from this dialog box, including

• Resizing your Desktop icons: Click and drag the Icon Size slider to shrink or expand the icons on your Desktop. The icon size is displayed in pixels above the slider.

• Resizing icon label text: Click the up and down arrows to the right of the Text Size drop-down box to choose the font size (in points) for icon labels.

• Moving icon label text: Select either the Bottom (default) or the Right radio button to choose between displaying the text under your Desktop icons or to the right of the icons.

• Snap to Grid: Enable this check box to automatically align icons to a grid within the window, just as if you had used the Clean Up menu command.

• Show Item Info: With this check box enabled, Mac OS X displays the number of items within each folder in the window.

• Show Icon Preview: If you enable this check box, the Finder displays icons for image files using a miniature of the actual picture. (A cool feature for those with digital cameras — however, showing a preview does take extra processing time because Mac OS X has to load each image file and shrink it down to create the icon.)

• Keep Arranged By: To sort the display of icons in a window, enable this check box and choose one of the following criteria from its drop-down list: by name, date modified, date created, size, or item type.

• Choosing a background: To select a background for the window, select one of three radio buttons here:

• White: This is the default.

• Color: Click a color choice from the color block that appears if you make this selection.

• Picture: Select this radio button and then click the Select button to display a standard Open dialog box. Navigate to the location where the desired image is stored, click it once to select it, and then click Open.

After all your changes are made and you’re ready to return to work, click the dialog box’s Close button to save your settings.

Enter Split View

Split View requires OS X El Capitan or later, and the steps differ slightly based on which macOS you're using. If these steps don't work, choose Apple menu  > System Preferences, click Mission Control, and make sure that “Displays have separate Spaces” is selected.

macOS Catalina

1. Hover your pointer over the full-screen button in the upper-left corner of a window. Or click and hold the button.
2. Choose ”Tile Window to Left of Screen” or ”Tile Window to Right of Screen” from the menu. The window then fills that side of the screen.
   
3. Click a window on the other side of the screen to begin using both windows side by side.

Other macOS versions

1. Click and hold the full-screen button in the upper-left corner of a window.
2. As you hold the button, the window shrinks and you can drag it to the left or right side of the screen.
3. Release the button, then click a window on the other side of the screen to begin using both windows side by side.

Work in Split View

In Split View, you can use both apps side by side, without the distraction of other apps.

• Choose a window to work in by clicking anywhere in that window.
• Show the menu bar by moving the pointer to the top of the screen.
• Swap window positions by dragging a window to the other side.
• Adjust window width by dragging the vertical line between the windows.
• Switch to other apps or your desktop with Mission Control, or use a Multi-Touch gesture such as swiping left or right with four fingers on your trackpad.

Exit Split View

Mac Os X Xcode Movable Row Divider For Image View Size

1. Move the pointer to the top of the screen to reveal the window buttons.
2. Click the full-screen button in either window. That window exits Split View.
3. The other window switches to full-screen view. You can switch to the full-screen window with Mission Control, or use a Multi-Touch gesture such as swiping left or right with four fingers on your trackpad.