Quick Tip - Lock the Screen
Open Keychain Access and launch the preferences (Command + ,). Check the Show Status in Menu Bar checkbox. There will be a new padlock icon in the menu bar. Click it and choose Lock Screen from the menu.
Striving for computing simplicity
Open Keychain Access and launch the preferences (Command + ,). Check the Show Status in Menu Bar checkbox. There will be a new padlock icon in the menu bar. Click it and choose Lock Screen from the menu.