Como descrito em aqui , você pode editar o Arquivo da Área de Trabalho, que deve estar localizado aqui: /usr/share/applications/libreoffice-startcenter.desktop (como no Ubuntu 12.04 é, procure nessa pasta por um Atalho do LibreOffice, caso contrário). Copie esse arquivo para ~ / .local / share / applications / e modifique a cópia conforme descrito no artigo mencionado antes adicionando algumas seções [Desktop Action% younameit] , então, no final, pode ser assim:
#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This file incorporates work covered by the following license notice:
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed
# with this work for additional information regarding copyright
# ownership. The ASF licenses this file to you under the Apache
# License, Version 2.0 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.apache.org/licenses/LICENSE-2.0 .
#
[Desktop Entry]
Version=1.0
Terminal=false
Icon=libreoffice-startcenter
Type=Application
Categories=Office;X-Red-Hat-Base;X-SuSE-Core-Office;X-MandrivaLinux-Office-Other;
Exec=libreoffice %U
MimeType=application/vnd.openofficeorg.extension;
Name=LibreOffice
GenericName=Office
GenericName[ne]=वर्ड प्रोसेसर (...)
Actions=Writer;Calc;
[Desktop Action Writer]
Exec=libreoffice --writer %U
Name=LibreOffice Writer
OnlyShowIn=Unity;
[Desktop Action Calc]
Exec=libreoffice --calc %U
Name=LibreOffice Writer
OnlyShowIn=Unity;