How to Disable the Camera on a Macbook

Click on the 'Spotlight' search icon in the top right of the OS X screen. The icon is a 'magnifying glass.' In the search box, type in 'Terminal.' Wait for the results to load and click on 'Terminal' from the list of results.
Type the following into the 'Terminal' prompt (note the space between 'mkdir' and the '/') and press 'Enter.''mkdir /System/Library/QuickTime/.iSightBackup'
Type the following command into the 'Terminal' prompt (note the space between 'mv' and the '/') and press 'Enter.''mv /System/Library/QuickTime/QuickTimeUSBVDCDIgitizer.component /System/Library/QuickTime/.iSightBackup/'
Click the small red 'X' icon in the top left corner of the Terminal to exit. The camera is now disabled.
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How to Use Comic Zeal for Your iPad (10 Steps)

Press the 'Home' button on the iPad.
Tap the 'App Store' icon on the home screen to access Apple's App Store. Tap 'Search.' Tap the search bar, and then type 'Comic Zeal.' Tap 'Search.' Tap 'Comic Zeal' from the search results. Tap the price next to 'Comic Zeal,' and then tap 'Install.' Type your Apple ID at the prompt. The Comic Zeal app downloads directly to your iPad.
Launch iTunes on your computer. Connect your iPad to a USB port on your computer with the iPad's USB cable. The iPad's icon appears in the left pane of the iTunes application window. Select it.
Click the 'Apps' tab at the top of the iTunes window. A list of apps appears in the 'Apps' pane under 'File Sharing.' Click 'Comic Zeal' from the 'Apps' pane to select it. The 'Documents' pane next to the 'Apps' pane changes its name to 'Comic Zeal Documents.'
Drag a comic book from a folder on your hard drive into the 'Comic Zeal Documents' pane in the iTunes application window. The comic book transfers to your iPad. Click the eject button next to the icon of your iPad in the left pane of the iTunes window, and then disconnect the iPad from your computer.
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How to Change the Mac Startup Disk From the Command Line

Click the magnifying glass icon at the top of the Mac screen to display the Spotlight dialog box, type 'Terminal' and then click 'Terminal' in the list of results to launch the Terminal utility.
Type 'sudo bless -mount /Volumes/Startup_Disk_Name -setBoot' without the quotation marks into the Terminal window. The Bless command changes the startup disk. Replace 'Startup_Disk_Name' with the correct name of the disk you want to boot from. If the name contains spaces, enclose the entire path in quotation marks. For example, if your startup disk is labeled 'My Mac,' type the following command: sudo bless -mount '/Volumes/My Mac' -setBoot.
Press 'Enter' to run the command and change the startup disk. Note that your Mac boots from the new disk after you restart it. To restart the Mac from the command line immediately, run the following command: sudo shutdown -r now. Don't forget to save your work before you issue the command.
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How to Grab Facebook Contacts Onto an iPad

Launch the App Store application on the iPad by tapping its icon on the home screen.
Press the 'Search' button in the menu at the bottom of the screen and type 'Facebook' into the search box in the upper right corner.
Select the entry for the iPhone Facebook application from the search results. Press the blue 'Free' button to download and install the app on the iPad.
Launch the Facebook application on the iPad. The application will appear in a small box in the centre of the screen, which matches the screen resolution of the iPhone. Enter the username and password for your Facebook account in the relevant boxes and tap the 'Sign In' button.
Press the square button in the upper left corner to open the options page. A list of available Facebook features will be displayed.
Tap the 'Friends' button to display a list of all your Facebook friends. Press the export button in the upper right corner, shaped like a box with an arrow pointing to the right.
Press the 'Sync Contacts' button and slide the 'Syncing' switch to 'On.' The iPad's Contacts application will be updated to match your Facebook friends' details.
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How to Activate an Apple Mobile Device

Close the iTunes application if it is open and disconnect your Apple device.
Click 'Start' then type 'Services' in the Search field.
Click 'Services' in the search results list under 'Programs.' The Services window opens.
Click 'Apple Mobile Device,' then click 'Stop the Service' under 'Apple Mobile Device.'
Click 'Start the Service' after the service has stopped to activate it
Launch iTunes and re-connect your Apple device to the computer.
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How to View Running Processes on Mac OS X (4 Steps)

Click the “Applications” folder if it’s pinned to your Dock, scroll down and select the “Utilities” folder and then click “Activity Monitor” to launch Activity Monitor. Alternatively, you can also open Activity Monitor by searching for “Activity Monitor” in the Search field on the Launchpad and then selecting “Activity Monitor” from the search results.
Scroll through the processes listed in the Process Name column on the far left side of Activity Monitor. Each process currently running on your computer appears on its own line in this column. Follow along the row to the right of the process name to read its statistics.
Click the name of a process and then click the “i” icon located above the Process Name column. Clicking this icon displays a brief snapshot of information about the selected process, including how much CPU and memory it’s using, how long it has been active and which files and ports it’s using.
Select a tab along the top of the Activity Monitor window to view how processes are using resources on your Mac. Available tabs in OS X Mavericks include CPU, Memory, Energy, Disk and Network. Each tab then has an associated list of sub-sections that help you to further drill down into process resource usage.
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How to Synchronize Your iPad Browser With Your Firefox

Tap the 'App Store' icon on the device's home screen to launch the application. Tap the 'Search' option at the bottom of the App Store window to access the App Store's search feature.
Type 'Firefox Home' in the search bar and tap the 'Search' button. Tap the 'Firefox Home' option from the list of search results. Tap the 'Free' button, followed by the 'Install' button. Enter your Apple ID and password when prompted and tap the 'OK' button to begin the installation process. Allow several minutes for the application to install.
Double-click the 'Firefox' application icon on the computer to launch the Web browser. Select the 'Firefox' tab at the top of the application window and select the 'Options' option from the Firefox menu. If you're using a Mac computer, select the 'Preferences...' option from the Firefox menu.
Click the 'Sync' icon in the Options or Preferences window. Click the 'Set Up Firefox Sync' button, followed by the 'Create a New Account' button. Type your email address and password in the spaces provided, read through and agree to the Firefox Sync Terms of Service and Privacy Policy and click the 'Continue' button to continue.
Click the 'Save' button on the following page to save a copy of your Firefox Sync sync key. Click the 'Continue' button to continue. Enter the captcha code (a computer-generated code that requires human input) in the space provided and click the 'Continue' button to finish setting up your Firefox Sync account.
Tap the 'Firefox Home' icon on the iPad device, followed by the 'I Have A Sync Account' option to display the passcode on the iPad screen.
Navigate to the Options or Preferences window in the Firefox Web browser and click the 'Sync' icon. Click the 'Add a Device' option and enter the passcode from the iPad device in the spaces provided. Click the 'Continue' button to sync Mozilla Home to your Firefox Sync account. All of your Firefox data will now be accessible on your iPad device.
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