The number of user-list posts for each tool gives us an idea of its user base. (The actual number of posts is omitted as statistics for a single month could be misleading.)

Listing 4 contains a simple script using sed and awk to compress the output of ausearch down to only the non-duplicated (time omitted) executable and port number fields.

Let's focus here on a number we omitted, but which many in the media feature above all others: net income.