Diagnostic Test Commands

probe-scsi

Identify devices attached to the built-in SCSI bus. 

test device-specifier

Execute the specified device's self-test method. For example: 

test floppy - test the floppy drive, if installed

test net - test the network connection

test-all [device-specifier]

Test all devices (that have a built-in self-test method) below the specified node. (If device-specifier is absent, the root node is used.)

watch-clock

Test the clock function. 

watch-net

Monitor the network connection.