# 16 SGI IRIX Specific Services

The modules described in this chapter provide interfaces to features that are unique to SGI's IRIX operating system (versions 4 and 5).

- 16.1 Built-in Module `al`
  - 16.1.1 Configuration Objects
  - 16.1.2 Port Objects
- 16.2 Standard Module `AL`
- 16.3 Built-in Module `cd`
- 16.4 Built-in Module `fl`
  - 16.4.1 Functions Defined in Module `fl`
  - 16.4.2 Form Objects
  - 16.4.3 FORMS Objects
- 16.5 Standard Module `FL`
- 16.6 Standard Module `flp`
- 16.7 Built-in Module `fm`
- 16.8 Built-in Module `gl`
- 16.9 Standard Modules `GL` and `DEVICE`
- 16.10 Built-in Module `imgfile`