[emilw]

Even better would be to not use dd, it isn't intended for testing/benchmarking write speeds, and use http://www.iozone.org/

[onosendai]

This is a collection of quick shell recipes, so in that context it's perfectly acceptable. Besides, there are some environments where you can't just install packages willy-nilly, even if they're present on the repositories.

[ehsanu1]

Or fio. https://www.linux.com/learn/tutorials/442451-inspecting-disk...