The Operating System Layer
The tests mapped to this layer help administrators to figure out how well the resources on the client desktops are being utilized and overall health. In addition, administrators can also track details on system booting process and sytem uptime.
Figure 1 : The tests associated with the Operating System layer
The tests except the System Boot time test have been discussed in the Monitoring unix and Windows Servers document, this documentation will discuss only the System Boot Time test.