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OS X - Operating System General OS operation information and support

OS 10.3 - Locking files

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Member Since: Nov 04, 2007
Posts: 8
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I recently switched from writing my diary with a pen & notebook to writing it on my macbook!
Does anyone know if there is a way to lock an individual folder (containing my diary entries in text edit files) so that a password is required to access it?
The macbook is a family computer and we don't have individual log-ins, so at the moment anyone can look at anything. I don't really want to have to have seperate log-ins, so is it possible just to lock one file?

Thanks in advance.
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Member Since: Nov 16, 2006
Location: UK, London
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You can't lock the files, but you can put it in a encrypted disk image which will require to put in a password to view to contents of that disk image.

Open up Disk utility in the Applications/Utilities folder

Click on New Image

Select a place to save the disk image, and a name

Choose a size which suites your needs

for encryption choose AES-128

And for format leave it as read/write.

Then Click Create and and put in a password

When you put in a password make sure you de-select remember password
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Member Since: May 22, 2005
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Use an encrypted disk image.

Disk Utility > New > Blank Disk Image

Choose your size, encryption type and name, etc. It will ask you for a password. Be sure not to save it in the keychain. Don't lose this password or your data will be gone forever.

Be sure that it is read/write. When created just double click to mount it and then just save your files to it. Unmount it when you're done.
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