Computer Tips - How can I monitor the randomness (entropy) available on a Linux or Android device:

Date: 2012jan12 OS: Linux, Android Q. How can I monitor the randomness (entropy) available on a Linux or Android device: A. This command does it
watch -n 1 cat /proc/sys/kernel/random/entropy_avail
Control-C to exit. I first saw this command here: http://code.google.com/p/android/issues/detail?id=42265