exit

Exits the OBDiag tool and returns to the ok prompt.

help

Displays a brief description of each command and OpenBoot PROM variable used to run OBDiag. 

printenvs

Displays the value of all of the OBDiag variables. (See "OBDiag Configuration Variables" for information about settings.)

setenv variable value

Sets the value for an OpenBoot PROM configuration variable. (See "OBDiag Configuration Variables" for information about settings.)

test-all

Runs all of the tests displayed in the menu. 

test #,#,

Runs only the test(s) identified by menu entry number (#) in the command line.

except #,#,

Run all test(s) except those identified by menu entry number (#) in the command line.

what #,#,

Displays selected properties of the device(s) identified by menu entry number (#) in the command line. The exact information provided varies according to device type.