You have been already introduced to the macros by Section 1.8.
A system's macro is a Bourne Shell script which uses a normalized header.
All system's macros are located in the directory
They are used to manage MegaWave2.
The following section explains each system's macro.
The next section 5.2 describes a file format which is used
by some macros to describe a list of MegaWave2 modules.