On Mon, 8 Jan 2001, Gary Nielson wrote:
> Linux Journal recently had a way to copy disks:
>
> tar clf - . | ( umask 0; cd /dir/to/copy/to; tar xvf - )
>
[SNIP]
>
> I tested it and it seemed to work great. What I am wondering is using this
> with two identical drives on the same machine as a way to routinely back
> up the first drive to the second. But in subsequent backups, how could I
> employ the "find" command to just back up files that have changed since
> the last backup?
>
You may want to check out rsync for this. It was designed for this. It
will also do backups to another machine.
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