If you really want to see what's happening beneath the hood of your Linux distribution, you need to use log files.

The Linux script command has been around for ages and provides a simple but useful service. It lets you record command line activity – both input and output.

Linux systems provide many ways to view user activity, including when they login, how long they stay logged in, and what commands they run.

The syslog deamon (syslogd) on Unix systems provides message logging for other services so that each service doesn’t have to duplicate the same basic functionality to manage logging for itself ...

Featured text from the download: HOW DO YOU VIEW THOSE LOG FILES? There are two main methods of viewing Linux log files from the command line. The first is static and the second is in real-time.