How do i copy one external harddrive to another?

Ok, so i am a complete newby to Mac's. I have a 1 TB External Hardrive that has about 180 movies on it. I also have an Apple TV. I would like to copy the movies from one external hard drive to another so that I can give it to my mother for a gift. I am not sure how to do this, can anyone help me?

Connect both drives to your computer. Select the movies you want to copy from Drive A and drag them over to Drive B.
If you need to clone Drive A to Drive B:
Clone using Restore Option of Disk Utility
1. Open Disk Utility in the Utilities folder.
2. Select the destination volume from the left side list.
3. Click on the Restore tab in the DU main window.
4. Select the destination volume from the left side list and drag
it to the Destination entry field.
5. Select the source volume from the left side list and drag it to
the Source entry field.
6. Double-check you got it right, then click on the Restore button.
Destination means Drive B. Source means Drive A.

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Check the formatting of the external hard drive. To do that, right click on the drive icon and select Get Info. (Or click once on the drive and type command +i ) The pane includes information about the drive format.
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I moved some movies and some seldom listened music (coped the files) into a folder on the Lacie drive. Then I reimported them to the main itunes library while holding down "option". This created a link to those files to the external. the files show up in my itunes but cannot be played unless i have the Lacie connected to them.
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I have successfully created one external hard drive back up from iphoto library. I am trying to back up this first hard drive with an additional hard drive, so my iphoto library is saved in two external hard drive locations. As of right now every time I go to back up the iphoto library on my first harddrive onto the second, it recopies the entire library (which takes a deeply laborious amount of time!) Is there a program that would recognize which photos have not been transferred and select accordingly? Apparently time machine does not operate between two external hard drives. Any feedback would be wonderful!

If you've set up Time Machine to back up your computer to it and haven't moved the library off the internal drive, it's already been done.
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I was just at the Genius bar who reformatted my new WD 1 TB drive for use w Time Machine.
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W both HDs plugged into the USB ports of the MacBookPro,
It was done by dragging the Seagate to the WD. But I can't find the screen that he was in where he showed me to do it.
The screen just showed the 2 HDs w the sub name of the drive underneath each one. So it didn't look like a regular finder screen. As I recall it was prettier than a finder screen & it had green coloring.
I tried to call the store to see if I could talk to the Genius but they sent me in circles, transferring me to Apple Care w out telling me they were doing so & then I got a call director that asked for my serial # which I found & read to it, but it didn't seem to find it associated w Apple Care. But when I called back I did ask how long it lasts & he said 3 years so I should still be covered.
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I remember now that it showed the 2 folders Backups.backupdb & home folder contents in the Seagate & I thought in the WD drive.
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the WD drive has shown about 20 MB & I finally ejected the drives to stop it
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Capacity 499.78 GB
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If you're copying from a FAT-formatted volume, do as below.
Back up all data.
Select the text on the line below by dragging across it. Don't include the blank space at the end of the line. Only the text should be highlighted.
dot_clean -m
Copy the selected text to the Clipboard by pressing the key combination command-C.
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the page that opens.
Now switch to the Finder and and select the icon of the FAT volume. Drag into the Terminal window. More text will be added to what you entered.
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Paul Seymour1 wrote:
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I thought this would be a question easily answered on the WWW and easily found via search engines, but so far no luck, hence this question.
Prior to upgrading from Lion to Mountain Lion I followed some very good instructions from Tom Nelson on ask.com (http://macs.about.com/od/backupsarchives/ss/diskbackup.htm) related to using Disk Utility to clone my internal Macintosh HD drive to an external hard drive, making it a bootable drive. I cloned to a very nice LaCie external FW drive that had far more room than that needed for the clone. This drive booted just fine as a startup disk, so mission accomplished:   I have now a bootable clone of my Lion system prior to upgrading to Mountain Lion.
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Good info Csound1, and thanks.
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azemel wrote:
Can anyone tell me if it is possible to copy the backups performed by Time Machine on one external drive to another external drive, and if so, how?
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HT2518 how do i or can i drag and drop files from one external drive to another ???HOW

how do i drag and drop files from one external drive to another, i cannt get both drives to open up. only one at a time.. i have alot to learn i know but that is where i am at the time...

You posted here so would assume you are also talking about running Windows.
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How do i copy one external harddrive to another?

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