[TriLUG] making a disk image

[Jeremy P]

On Tue, 26 Feb 2002, John F Davis wrote:

> Hello
> 
> i.e. you dd a 1 gb drive, you need 1 gb to store the image.  Even if
> the drive only has 20MB's of files stored on it.  With tar, it will
> backup only 20MB's and then with compression you might only need
> 10MB's of disk space to store the image and not a whopping 1 GB.

With dd, you can always pipe the output to gzip to get compression.  This
is the power of Unix-style stdin/stdout !  :)

--Jeremy

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