Recently, I have been messing around with the Desktop directory and ended up in quite a mess. I backed up the directory, deleted it, and replaced it with my backup. However, I encountered a problem: Debian doesn't recognize the Desktop directory and instead uses the entire home directory. In this article, we will explore this issue in detail and discuss the key concepts related to it.
The Default Home Directory Layout
Debian's default home directory layout is based on the XDG Base Directory specification. This specification defines a set of base directories that are used by applications to store their data. Some of the most important directories in this layout are:
$HOME: The user's home directory (e.g./home/user).$XDG_DATA_HOME: The directory for storing user-specific data. The default value is$HOME/.local/share.$XDG_CONFIG_HOME: The directory for storing user-specific configuration files. The default value is$HOME/.config.$XDG_DATA_DIRS: A list of directories for storing application data. The default value is/usr/local/share:/usr/share.
The XDG Desktop Directory Specification
The XDG Desktop Directory specification defines how desktop environments
should handle the Desktop directory. This directory should be located
in the user's home directory and should contain files and directories
that represent icons on the desktop. The specification defines several
important concepts, such as the .desktop files that are used to
represent application shortcuts, and the Icon= key that is used
to specify the icon for a particular application.
Desktop Entry Files
The .desktop files in the Desktop directory are used to represent
application shortcuts. These files should follow the .desktop
file format, which defines a set of standard keys that are used to
specify the properties of the application. Some of the most common keys
in this format are:
Type=: The MIME type of the desktop entry.Name=: The name of the application.Exec=: The command that is used to start the application.Icon=: The icon that is used to represent the application.
In addition to these keys, the .desktop files can also include
other keys that are specific to a particular desktop environment. For
example, the StartupNotify= key is used to indicate whether the
application supports start-up notification.
Desktop Icons
The Desktop directory should contain icons that are used to represent files, directories, and applications. These icons should follow the XDG icon theme specification, which defines a standard format for icon names. Some of the most important naming conventions in this specification are:
type-name.png: The icon for a particular type of file or directory (e.g.text-x-generic.png).application-name.png: The icon for a particular application (e.g.firefox.png).mimetype-name.png: The icon for a particular MIME type (e.g.image-x-generic.png).
These naming conventions allow the desktop environment to properly display icons for various types of files, applications, and MIME types.
Debian's Behavior With the Desktop Directory
Despite following the XDG Desktop Directory specification, Debian doesn't recognize the Desktop directory and instead uses the entire home directory. This behavior is due to a design decision made during the development of Debian's XDG compliance. The Debian developers decided to follow the XDG Base Directory specification, but not the XDG Desktop Directory specification. As a result, Debian doesn't recognize the Desktop directory and treats the entire home directory as the desktop.
Workarounds
Although Debian doesn't recognize the Desktop directory, there are several workarounds that can be used to restore its functionality. One common solution is to create a symbolic link from the Desktop directory to the appropriate location in the home directory.
ln -s $HOME/Desktop $XDG_DESKTOP_DIR
Another solution is to manually configure the desktop environment to
use the Desktop directory. For example, in GNOME, the Desktop directory
can be configured in the dconf-editor under the path
/org/gnome/desktop/background/.