Specifically tell people if someone is trying to get them to erase your hard drive

[dabudke]

trafficstars

Like if someone types in dd if=/dev/zero of=/dev/sda put up big warning flags everywhere.

[dubiouscript]

big warning flags everywhere.

i vote for something like : https://i.imgur.com/CRAqasy.jpg

eg : using dd without a backup ? i too like to live dangerously!

. ><

[mounaiban]

Seconded. Maybe rename this issue to "Detect malicious commands and show warning"? We could extend this idea to detect commands that modify system configuration, install/remove software, or contain obfuscated attempts to delete files.