cd ~/.local/share/applications
vi gvim-tab.desktop

复制粘贴此代码：

[Desktop Entry]
Encoding=UTF-8
Name=GVim Text Editor (Tabs)
Comment=Edit text files in a new tab
Exec=gvim --remote-tab %F
Terminal=false
Type=Application
Icon=/usr/share/pixmaps/vim.svg
Categories=Application;Utility;TextEditor;
StartupNotify=true
MimeType=text/plain;
NoDisplay=true

在Nautilus

Right-Click in a text file
Open With
Open with a another application
Select "GVim Text Editor (Tabs)"

完成