This worked because the MBR, partition table, and file systems were
intact. What you were doing was a simple file copy (tar can preserve
file permissions) so that the only real obstacle was disk I/O.
If you have a more serious failure, a simple tar will not be enough.
On Wed, May 4, 2011 at 6:00 PM, Mac <email@example.com> wrote:
> tar has been around for as long as *ux.
> So it's had plenty of time to mature.
> As with many of the vintage *ux cammand line utilities it can be cryptic
> and not necessarily intuitive to use.
> On Thu, 2011-05-05 at 01:44 +0200, Ralf wrote:
>> Does anybody know something about tar?
>> Very interesting, I deleted a broken Maverick-Natty-Upgrade-Install by
>> # rm -r *, then I copied a backup archive and restored Maverick from the
>> backup by tar xzf *, restoring Maverick takes between 3 and 4 minutes
>> How is this possible?
>> The restored Maverick seems to be ok, at least Email etc. is ok, the
>> size, 6.76 GiB is correct.
>> An amazing voodoo trick.
>> I didn't know that it's that fast.
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