The settings used by the file chooser in MATE or Gnome can be changed easily with the command line. The gsettings utility makes this easy.
This example will alter the Firefox file chooser, it will have directories listed first, in descending order, sorted by date modified.
gsettings set org.gtk.Settings.FileChooser sort-column 'modified' gsettings set org.gtk.Settings.FileChooser sort-order 'descending' gsettings set org.gtk.Settings.FileChooser sort-directories-first true |
This will change the name of the Home icon on the MATE desktop.
4.4 Tue Feb 04 jason@Yog-Sothoth 0: $ gsettings set org.mate.caja.desktop home-icon-name 'HomeNode' |
Change the MATE desktop wallpaper like this.
4.4 Tue Feb 04 jason@Yog-Sothoth 0: $ gsettings set org.mate.background picture-filename '/home/jason/Pictures/Scr1 2019-09-27 08-08-54.png' |
To dump all dconf settings to a file, use this command.
4.4 Tue Feb 04 jason@Yog-Sothoth 0: $ dconf dump / > dconf-settings.txt |
Then, to load the new settings on a re-installed system, or just another computer, use this command.
4.4 Tue Feb 04 jason@Yog-Sothoth 0: $ dconf load / < dconf-settings.txt |
This is how a Linux user can backup and then restore dconf settings on another computer once the Linux distribution is installed.