Re: speed of dd

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On 3/16/21 6:32 AM, elder sixpack13 wrote:
AFAIK, flashdrives operates the same as ssd's.
while SSD's and pricey flashdrive (e.g. Sandisk Extreme) support the trim command to erase occupied space the sheaper flashdrives do not support trim, what means they get slower over time.
deleted contents still remains on that flashdrives what means writing new data leads to an erase/write cycle.

*I* long (not quick) format those slow flashdrives under windows.
- I currently don't know if the gnome disk has an equivalent for "long format", I guess it's the "fill with zero's thing" -

How would that help? You've now made sure that the entire storage has valid data that will need to be erased on a write. And you've also used one write cycle for the entire storage.
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