![]() For a fresh macOS Mojave install this is Mojave.heic in the /Library/Desktop Pictures/ directory. The default Desktop image for a new user is the image file that the symbolic link DefaultDesktop.heic in the /System/Library/CoreServices/ directory points to. The data and preferences tables for a newly created user are empty. ![]() For the purposes of this article, the two tables of interest are the data and preferences tables: Default This SQLite database contains 6 tables: data, displays, pictures, preferences, prefs and spaces. Let’s first take a look at desktoppicture.db. They are not applicable where a user has more than one Desktop (Space) or in a dual-display environment. Please note that the examples and conclusions below are relevant only where a user has a single Desktop (Space) in a single-display environment. However, the way dynamic Desktop images are stored is different to non-dynamic Desktop images. The desktoppicture.db file still exists in Mojave, so you’d be forgiven for thinking that changing a user’s Desktop image from the command line is the same as it’s been since Mavericks. There are no such options when selecting Solar Gradients. Selecting Mojave as the Desktop image in System Preferences allows you to further choose between Dynamic, Light (Still) and Dark (Still). They are located in the /Library/Desktop Pictures/ directory along with all the other Apple-supplied non-dynamic Desktop images. As of the initial Mojave release there are only two of these images: Mojave.heic and Solar Gradients.heic. heic extension and group in System Preferences under the category Dynamic Desktop. MacOS Mojave 10.14 ships with some High Efficiency Image Format (HEIF) Desktop images that Apple identify with a. Sqlite3 ~/Library/Application\ Support/Dock/desktoppicture.db "UPDATE data SET value='/path/to/desktop/image.jpg' " A Desktop image could be changed from the command line using: Mavericks implemented an SQLite database named desktoppicture.db located in the ~/Library/Application Support/Dock/ directory to hold this information. Prior to OS X Mavericks 10.9 a user’s Desktop image was stored in located in the ~/Library/Preferences/ folder and changed from the command line using:ĭefaults write Background ''
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