SANS ISC: dd progress indicator on Linux

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InfoSec Handlers Diary Blog

When I have to use dd (if I can, I use dc3dd) I try to remember to include option status=progress to have a progress indicator.

Last time on a Linux machine, I forgot to include that option. Reading the man page for a solution, I found this:

I could get a progress indication, without having to restart dd with the missing status option, by sending it the sigusr1 signal (on Linux).

Didier Stevens
Senior handler
Microsoft MVP
blog.DidierStevens.com DidierStevensLabs.com