This Collaborative Product Evaluation compares the functional capabilities of three leading UNIX operating systems. The studied products include:

AIX 6.1 from IBM.

	HP-UX 11i v3 from Hewlett-Packard.
	Solaris 10 from Sun Microsystems.

The chart above shows summary ratings for the evaluated products, based on an average of their ratings in the five key functional areas below.

To see how the products compare in each functional area, click on one of the links below:

	Scalability (25 ratings)
	Reliability Functions (21 ratings)
	Virtualization (34 ratings)
	Security (25 ratings)
	Deployment Factors (15 ratings)