How to Create a Live Bootable Flash Drive for CentOS on a Mac

Open the UNetbootin website at UNetbootin.SourceForge.net in your Web browser.
Click the “Download (For Mac OS X)” link on the page and save the file to your Mac
Double-click the downloaded UNetbootin ZIP file. Your Mac automatically unzips its contents to the current folder.
Double-click the “UNetbootin.app” file to open UNetbootin.
Click “Distribution” at the top of the UNetbootin window, select “CentOS” from the “Select Distribution” box and select your desired version of CentOS from the “Select Version” box.
Insert the USB flash drive into a USB port on your Mac and select it from the “Drive” box at the bottom of the UNetbootin window.
Click “OK.” UNetbootin automatically downloads your selected version of CentOS, converts it and creates a live CentOS flash drive. You can restart your Mac or other computer to boot from the CentOS flash drive.
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How to Zoom With a MacBook Pro Trackpad (3 Steps)

Use two fingers to touch the trackpad. The MacBook Pro trackpad makes manipulating documents and applications easy, but three fingers and four fingers have other functions. To zoom in, you need only two fingers.
Zoom in on the current document by pinching outward on the trackpad with the either two fingers, or your thumb and forefinger. Zoom back out by pinching inward.
Modify your trackpad preferences if you find the trackpad too sensitive to your touch or not sensitive enough. Select 'System Preferences,' and then select 'Trackpad' from the Hardware options. Click the 'Point & Click' tab to modify the speed of response to your hand movements. Select 'Scroll & Zoom' to disable the zoom feature.
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How to Clean Up App Store Views

Open iTunes on your computer.
Click the 'iTunes Store' link on the left side of your iTunes software under the 'Store' category.
Click 'Purchased' on the right side of the screen. You may need to download the iCloud update to your iTunes software if your computer does not already have the most current Apple iTunes software.
Scroll through the list of your applications and click on the app you wish to remove.
Right-click on the application you would like to remove and select 'Delete.'
Connect your iPhone, iTouch or iPad and allow iTunes to synchronize with your device to remove the app views from the iTunes App store application on your device as well.
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How to Zoom on iBooks iPads (5 Steps)

Tap the iBooks icon on your iPad device.
Select the book you want to read by tapping the book. The book will automatically open to its current page.
Touch anywhere on the iBook's page with two fingers.
Slide your fingers apart while continuing to touch the iBook's page. As you slide your fingers apart, your iPad will zoom in to the page.
Remove your fingers from the iPad's screen once you have reached the desired zoom level.
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How to Upgrade Your MacBook Air

Remove screws. The internals of a MacBook Pro are accessed form the underside of the casing. The bottom is held in place by ten screws, including six 3 mm Phillips screws, two 5.4 mm Phillips screws, and two 7.9 mm Phillips screws.
Lift off the case. Once the screws are removed, the bottom of the MacBook Air case should come off easily, with a quick pull.
Disconnect the accessory ports. Your MacBook Air's current hard drive or solid state drive sits underneath the ribbon that connects your accessory USB, audio, power and DVI connectors. With the bottom of the case removed, unplug the ribbon that connects these accessories to the motherboard.
Remove hard drive screws. Once the accessory ports are disconnected form the board, remove the screws that hold the hard drive frame in place.
Lift the hard drive frame. Make sure that the ribbon that attaches the accessory ports is safely out of the way. If the path is clear, the hard drive and its frame can be lifted from the computer.
Replace hard drive. With the frame and hard drive out of the computer, the current drive can be slid out of the frame and a new one inserted. Original generation MacBook Air models use a zero insertion force (ZIF) connector, so make sure the hard drive or solid state drive you use has this type of connector. Models manufactured after the summer of 2009 feature a more common Serial ATA (SATA) connector. All MacBook Air hard drives or solid state drives must be 1.8 inches wide by 5 mm tall to fit in the frame.
Reassemble MacBook Air. Place the bracket back in the computer and secure it using using the removed screws. Reattach the ribbon connectors for the accessory ports. Replace the back of the computer and secure it with its 10 screws. Boot the computer and install Mac OS X, being sure to test functionality.
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How to Download Movies for Free on a Mac

Launch Apple's Safari web browser for the Macintosh and navigate to the Internet Media Archive webpage.
Click 'Moving Images.'
Scroll through the categories and select 'Movies.' Note that many other categories are also available to suit your interests, including 'Animation & Cartoons,' 'News & Public Affairs' and 'Sports Videos.'
Click 'Feature Films.'
Browse through the resulting categories, which include 'Comedy Films,' 'Film Noir,' 'Sci-Fi/Horror,' and many more. Click the one that most closely matches your current film-watching mood.
Choose a letter from A to Z under 'Browse By Title.' A list appears, containing all the available movies that begin with this letter. (For instance, to locate the classic horror movie 'Carnival of Souls,' choose 'C' under the 'Sci-Fi/Horror' category.)
Locate the film you want to watch, then click on its title. On the film's information page, you will see options to stream the film (i.e., watch it in your web browser) or download it to your computer. Generally a standard .MP4 version will be available (viewable with Apple's QuickTime player, which is most likely preinstalled on your system. If not, it can be downloaded from Apple's website). Alternately, Apple's iTunes media player software (also preinstalled on most Macs) will play .MP4 files as well. Depending on the film, other media formats may be available too, including versions for the iPod/iPhone.
Stream the movie. To start, click on the 'Play Video' link. To download the movie, press the CTRL button on your keyboard while clicking on the desired video link, then click 'Download Linked File' on the resulting pop-up menu.
Locate the file on your hard drive once the download has completed. Double-click it and enjoy the show.
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How to Reset a Master Password on My MacBook (8 Steps)

Click the Apple icon from the menu at the top left of the screen, and then click 'System Preferences.'
Click the 'Admin' user under 'My Account' if it's not already selected. Click 'Change Password.'
Type your current password in the 'Old Password' box.
Type a new password in the 'New Password' box.
Type the new password once more in the 'Verify' box.
Type a hint in the hint box to help you remember your password. The hint will appear if you later enter the password incorrectly three times in a row.
Click 'Change Password.'
Click 'Applications' in the dock, and then click 'Utilities,' and then click 'Keychain Access' to launch the Keychain Manager, which holds passwords for various applications and sites and is controlled by your administrator password. Click 'Edit,' and then click 'Change Password for Keychain Login.' Type the old password in the 'Current Password' box, and type the new password in the 'New Password' box. Type the new password once more in the 'Verify' box, and then click 'OK.'
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