I should preface this by saying I don ' t know the answer to this , but I can tell you how I ' d go about figuring it out . First i ' d just plug the path for the icon I want in place of gtkexecute , but I wouldn ' t expect that to work , since there ' s no path in the default file . Where is the icon gtkexecute located ? I ' d assume that Nemo looks in a particular folder for assets , so I ' d search the system for gtkexecute . Chances are that ' s a file name in either a dot icons folder or some folder associated with Nemo . When I found the location I ' d put a copy of the icon I want there and change the line in . nemoAction to match the custom icons name . I don ' t know if this has been helpful at all , but I tried . <| sep |> I feel the same man , but with a slight distinction . I don ' t believe I will never have this , because I can ' t know that . Nor can you .