Open the **Terminal
**
Then add Sublime Text 3 to your PPA repository
sudo add-apt-repository ppa:webupd8team/sublime-text-3
After you have added the package, you need to update your package list to get the latest information on the newest versions of packages and their dependencies.
sudo apt-get update
Finally you can install Sublime Text 3 using the Package Manager
sudo apt-get install sublime-text-installer
To launch Sublime Text 3 via the Command Line execute the subl command
subl