OS X Support Essentials 10.9

The Font Book application shows a small dot next to the name of any font that has duplicate resources.

The OS X Recovery Disk Assistant can create a small OS X Recovery disk that lacks the OS X installation assets. An OS X Installation disk, which includes the full OS X installation assets, can be created by using the create install media command line tool found inside the Install OS X Mavericks application.

The system version, build number, and hardware serial number are located in the About This Mac dialog or the login screen. The system version number defines the specific version of OS X currently installed. The system build number is an even more specific identifier used primarily by developers.
Finally, the hardware serial number is a unique number used to identify your specific Mac.

Any item downloaded using one of the built-in OS X applications will be marked for quarantine. Third-

party applications may not mark downloaded items for quarantine.

protect volume structure integrity in cases of unexpected shutdown

provide a backup of user files

provide support for resource forks, extended attributes, and metadata

provide support for Spotlight searches

AirDrop provides a quick and easy method to share files locally via Wi-Fi. AirDrop creates a secure peer-to-peer network between local devices. You can verify that a Mac supports AirDrop from the Finder Go menu.

Archive files are much simpler to create in the Finder and are compatible with third-party operating systems. Disk images are more difficult to create and manage, but they offer greater flexibility.
Primarily, disk images can be easily modified and converted. However, OS X style disk images aren't compatible with third-party operating systems.

The DNS service is used to translate host names to IP addresses via forward lookups and translate IP addresses to host names via reverse lookups. DNS is architected as a hierarchy of worldwide domain servers. Local DNS servers provide name resolution and possibly host names for local clients. These local DNS servers connect to DNS servers higher in the DNS hierarchy to resolve both unknown host names and host local domain names.

Any account password reset process won't change any keychain passwords. Therefore, the user's keychains won't automatically open when the user logs in with her new password. The user will have to manually change her keychain passwords using the Keychain Access utility.

Disk Utility is the primary application for creating and managing disk images.

The master password is used to reset local account passwords.

The Disk Utility Verify and Repair feature is used to verify or repair the partition scheme and directory structure of a volume. These elements contain the information used to locate files and folders on the volume.

The Disk Utility Repair Permissions feature repairs only the ownership and permissions for items installed by Apple. However, this may resolve issues with third-party products.

Select the document icon in the Finder, choose Get Info from the File menu, and click the disclosure triangle next to "Open with" in the Info window to reveal the selected application in the pop-up menu.

Select the document icon in the Finder, and choose Show Default Application from the File menu.

Control-click the document icon in the Finder, and choose Show Application from the shortcut menu.

Select the document icon in the Finder, choose Show Inspector from the File menu, click Application Bindings in the Inspector window, and scroll to locate the selected application in the pop-up menu.

The folder that holds all the user home folders cannot be located or accessed.

The computer's firmware cannot locate a valid booter file.

An invalid startup keyboard shortcut is being pressed.

The booter is unable to load a valid kernel.

increases data security by modifying Sharing settings, so only essential protocols are enabled at startup

facilitates troubleshooting by preventing loading of third-party components in the operating system at startup

increases data security by assigning all standard users Read-only privileges to mounted local volumes

prevents users from accessing sensitive system files by loading Simple Finder instead of Finder at startup

How do you share printers with other users?

How can you identify duplicate fonts?

How does the OS X built-in firewall work?

How can you acquire the OS X Mavericks installer?

How can you identify duplicate fonts?

Where are application preferences stored?

What are the advantages of code signing?

What does the master password do?