On 09/26/14 16:59, Nemo wrote: > [~]=> echo $SHELL > /bin/bash > [~]=> env X="() { :;} ; echo busted" /bin/sh -c "echo completed" > completed > > Note that I put bash into /bin to avoid GNUisms. Try: $ env X="() { :;} ; echo busted" /bin/bash -c "echo completed"