dd if=/dev/zero of=/dev/null bs=512k& while [ $! ]; do kill -USR1 $! && sleep 10 ; done
OS X uses a different signal:
dd if=/dev/zero of=/dev/null bs=512k& while [ $! ]; do kill -SIGINFO $! && sleep 10 ; done
Sunday, September 4, 2011
HOWTO: dd a disk and watch progress
On linux, dd a disk and watch progress with this command. $! is the PID of the most recent background command:
OS X uses a different signal:
OS X uses a different signal:
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2 comments:
Personally I've been using
pkill -SIGUSR1 ^dd$
but I think $! is more correct.
One thing I don't like about this way is it doesn't exit cleanly. You end up with a bajillion 'no such process' errors. Still needs some tweaking.
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