ff

A perl script to stat Linux system counters of net/dev, memory and CPU and display them at same window.

Usage:

1. start daemon to monitor kernel's network counters: ./ff startd

2. stop daemon: ./ff stopd

3. print average numbers since daemon started up: ./ff

4. print average numbers in the past several seconds: ./ff 0

5. auto-print on screen: "watch ff" or "watch ff 0"