There is no shortcut under Ubuntu One says, if you want to quickly open sublime text, you can create sublime text launcher icon
1. Create a blank document Sublime.desktop, pay attention to the permissions
VI /usr/share/applications/sublime.desktop
2. Write the contents of the document
[Desktop Entry]
Version=2.0.1
Name=Sublime Text 2
GenericName=Text
Terminal=false
Icon=/usr/local/Sublime Text 2/Icon/48x48/sublime_text.png
Type=Application
Categories=TextEditor;IDE;Development
Exec=/usr/local/"Sublime Text 2"/sublime_text %F
StartupNotify=true
#Note: where modification is needed
#Name: that's the name
#Comment: equivalent to comment
#Exec: path to executable
#Icon: path to icon file
#% F: be able to display this program in the "start in other ways" list
3. Double-click Start Sublime Text and then lock to Launcher, then click on the icon in Launcher to play happily ^_^
Add sublime text start icon under Ubuntu