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chapter11/random_number_testing.bash

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+#!/bin/bash
+#
+# SCRIPT: random_number_testing.bash
+# AUTHOR: Randy Michael
+# DATE: 8/8/2007
+
+
+# For each 1K count we ger 64 lines of random numbers
+
+dd if=/dev/urandom count=1k bs=1 2>/dev/null | od -t u2 \
+   | awk '{print $2}' | sed /^$/d > 64random_numbers.txt
+
+# For each 1M count we get 65536 lines of random numbers
+
+dd if=/dev/urandom count=1M bs=1 2>/dev/null | od -t u2 \
+   | awk '{print $2}' | sed /^$/d > 65536random_numbers.txt
+
+# The opposite is /dev/zero which will create a null 
+# file of a specific size
+
+dd if=/dev/zero of=1MBemptyfile count=1M bs=1  2>/dev/null
+