- Microsoft Family:

- Windows XP
- Windows 2000
- Windows NT
- Windows ME
- Windows 98
- Windows 95
- Windows 3.x
- MS DOS

- Macintosh Family:

- Mac OS 8
- Mac OS x

- UNIX Family:

(Specify the version)

- GNU/Linux.
- GNU/HURD
- Minix
- Système V
- Unix Ware

• - BSD Family:

- FreeBSD
- NetBSD
- OpenBSD
- PicoBSD