On 11/7/18 4:06 PM, Paul Allen Newell wrote:
>
>
> On 11/07/2018 03:04 PM, Ed Greshko wrote:
>> On 11/8/18 6:52 AM, Paul Allen Newell wrote:
>>>
>>> On 11/07/2018 01:52 PM, ToddAndMargo via users wrote:
>>>>
>>>> This is the dismount part of my script:
>>>>
>>>> sync; sync
>>>> umount $StickTarget
>>>>
>>>>
>>> Calling sync twice?
>> Must be an "old" person. It was common practice back in the early
>> 1980's to call sync
>> twice before shutdown on Solaris.
>> Don't ask me why. I was just "done that way".
>>
>
> Okay. I remember enough "don't ask, just do it this way" techniques from
> old days that I am certainly prepared to buy this one
Again, I believe it was to ensure any background tasks writing to
system volumes were "done". The typical command was
sync;sync;shutdown -h now
or (if you're as ancient as I am)
sync;sync;init 0
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