How to Read PDF Files In iBooks On Your iPad 2

Open iTunes on your computer and select 'File' followed by 'Add to Library.' A browser menu will appear that will allow you to select files on your computer.
Click the PDF file that you would like to view and then click 'Choose.'
Click 'Books' on your iTunes library menu. This will bring you to a list of all books that you have downloaded or imported into iTunes, including the one you just selected.
Right-click the book and select 'Get Info.' You will see a new set of options appear in a dialog box.
Set 'Media Kind' to 'Book' in the 'Options' tab of the dialog box. iBooks will require the imported PDF file to be in this format.
Add additional information about the PDF in the 'Info' tab. This is not required by iBooks, but it might make things more organized once it's imported to iBooks. You can add information such as the name of the author, genre and title. Click 'OK' when you are finished.
Click your iPad 2 under 'Devices' on the left pane in iTunes.
Click the 'Books' tab on the top menu.
Click the 'Sync' button in the lower right hand corner of the screen to import your books.
Tap the iBooks icon on your iPad, then tap the 'Collections' button. Tap the 'PDFs' entry on the pop-up menu that appears.
Tap the imported PDF's icon to open the PDF in iBooks on your iPad 2.
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How to Erase GameBoy Advance Roms on the iPod Touch

Download 'iFile' from the Cydia marketplace. 
Open iFile and click on 'Mobile.' Select 'Media' and go into the section marked 'ROMs.'
Choose the emulator you want to delete ROMs from. Tap 'Edit' at the top right of the screen and delete every file of the ROM in question.
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