[ale] Need an iso to wipe hard drives.
Geoffrey
lists at serioustechnology.com
Thu Apr 22 19:23:51 EDT 2010
JK wrote:
> On 4/22/2010 3:05 PM, Chris Fowler wrote:
>> On Wed, 2010-04-21 at 21:16 -0600, JK wrote:
>>> I learned that too, on my first day as a Unix (SunOS 4) admin in grad
>>> school. "sync ; sync ; sync ; shutdown -h now".
>> Same on SCO.
>>
>> Why? Did shutdown not flush all buffers and umount the file system?
>> Maybe we were just being paranoid?
>
>
> I think we were. Surely Kernighan et al were smart enough to
> get the semantics of shutdown() right from the very start.
> Or else there's some subtle reason shutdown() can't sync,
> in which case pre-shutdown syncs would really be necessary.
I assure you, the original UNIX handled disk syncing properly prior to
shutdown. At one time, we looked into this SVR3 at the time and we had
the source.
>
> -- JK
>
>
--
Until later, Geoffrey
"I predict future happiness for America if they can prevent
the government from wasting the labors of the people under
the pretense of taking care of them."
- Thomas Jefferson
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