measuring disk i/o performance

[Volker Wysk]

Am Mittwoch, 4. Oktober 2017, 13:36:30 CEST schrieb compdoc:
> On 10/04/2017 01:31 PM, Volker Wysk wrote:
> > Does someone know a
> > good tool for measuring the disk i/o speed?
> 
> The gnome Disk utility is great. I usually boot the live cd to test with
> Disk util, and also use it to read the drive's all important SMART values.

Hmm... I don't have that gear symbol in g-d-u, which one is supposed to click. 
Neither in Kubuntu 16.04 nor in 17.04. Might that be an even newer feature?

Bye
V.W.