Configuring the CentOS GNOME File Manager

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In the previous chapter of CentOS Essentials we looked at some of the capabilities of the Nautilus file and folder manager. Nautilus also provides a number of options that can be used to configure both what information is displayed and how it is displayed. In this chapter we will look at these options in detail.

Displaying Icons or Lists

By default, Nautilus displays items as icons, as shown in the following figure. Whilst this is a user friendly and intuitive way to present information more detail is often required.


The CentOS GNOME File Manager in icon mode


Nautilus provides the option to display files and folders in list form instead of using icons. This format allows additional information such as file size and last access time to be displayed. This setting is controlled through the View menu. Changing the View display option to View as List will cause the files and folders to be displayed in list form. As shown in the following figure, this allows additional information about each item to be displayed:


The CentOS File Manager in List mode


Configuring the List View

The List view may be further configured to specify which data fields are displayed. In the above figure only the Size, Type and Date Modified columns are displayed. These fields are configured via the List Columns page of the File Manager Preferences dialog, accessed via the file manager's Edit->Preferences menu option:


The CentOS Nautilus File Manager Preferences dialog


Set the checkboxes next to the columns to be displayed, or move columns to different locations using the Move Up and Move Down buttons. Close the preferences dialog when the configuration changes are complete.


Configuring the Icon View

If you prefer the Icon view to the List view in the Nautilus File Manager windows it may be useful to know that the way icons are displayed can also be configured. As with previous settings described in this chapter, these adjustments are made via the Preferences dialog of the Nautilus manager, this time using the Views tab:

The View page of the CentOS File Manager Preferences Dialog


The size of the icons can be changed using the Default zoom level selection box. The following figure shows the icons at 75% zoom:


The CentOS File Manager with default icon zoom set to 75%


It is also possible to zoom in and out in real-time by pressing the Ctrl and + keys simultaneously (to zoom in) and the Ctrl and - keys to zoom out.

The option is also provided to define how the captions beneath an icon appear at different zoom levels. These settings are controlled from the Display page of the Preferences dialog:


The Display page of the CentOS File Manager Preferences dialog


The three selection boxes specify what is displayed at each zoom level. Configure these to your requirements. The following figure shows a folder with three captions at maximum zoom:


CentOS File Manager at maximum zoom with icon captions enabled


As shown in the above figure, the format of the date caption may be changed to one of three different options. The default value is usually acceptable for most people.

Finally, the icons can be used to preview the content in a file. For example, the first few words of a text file can be displayed on an icon, or in the case of an image a thumbnail of the image. These settings are controlled via the Preview page of the Preferences dialog:


The Preview page of the CentOS File Manager Preferences dialog


For each thumbnail category you can elect to show thumbnails for all files, local files only (thereby excluding files in a network server) or for no files. The following figure shows a text file and an image file at with thumbnails enabled for both categories:


A CentOS File Manager window with image and text thumbs enabled


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Kindle/ePub/PDF edition contains 39 chapters and over 240 pages.

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Browsing My Computer, Files and Folders on the CentOS DesktopCentOS Startup Programs and Session Configuration