Go through good tutorial, upload your presentation at SlideShare.Net. Get a example from QCAD files.
Topic allotted:

Lovepreet Deol (7657) : DWGEditor
Diljot Singh Grewal (7663) : CoCreate 3D CAD Modeller
Pardeep Bhullar (7681) : 2D SoftCad
Prabhjot Singh (7677) : Bentley Microstation Power Draft / Power Civil
Vinod Poonia (7670) : AutoCAD
Gurveer Singh (7676) : 2D SoftCad
Jaspreet Singh bhatia (7671) […]

Plugins required:
mappaint
wmsplugin
yms
Setting Time on Linux:
#date 092011082001
> Thu Sep 20 11:08:00 CDT 2001
# hwclock –utc –systohc

http://www.redhat.com/docs/manuals/linux/RHL-8.0-Manual/admin-primer/s1-printers-sharing.html

A project was started to develop web-based Analysis of Reinforced Concrete Elements (ARCE). Interested can join our effort as Developers and contributors. Detail about ARCE is at Sarovar.