Display Hidden Auto-Start Entries
'By default, your machine is chock-full of Startup Applications you're not allowed to see, and you can significantly speed up your startup times by disabling the ones you don't need.
You execute this command in the terminal to show them all.
Using Sudo can result in severe system damage.
Make sure you type this code correctly, or copy and paste the entire command.
I disabled Bluetooth, Chat, Gwibber, Onboard, Orca, and Personal File Sharing.
Careful not to edit or remove any you don't understand!