Changes

* Topics such as course introduction, evaluation policies, student conduct, and where to obtain notes/resources are usually discussed in the first class.

A computer can’t do anything useful without a program — a program is defined as data and a list of instructions to follow.

* Enforcing basic system security

=== Unix OS ===

The Matrix server consists of many PCs connected together to form a Linux cluster. A cluster is a cost effective alternative to mainframe computing.

* Note that the workstations in the labs form part of the Matrix group. When you boot (startup) a PC in a S@Y lab, you are given the choice of starting Windows or starting Linux.