How does Inventory for UNIX gather serial numbers?

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Question
How does Inventory for UNIX gather serial numbers?

Answer
The method used by Inventory for UNIX to gather serial numbers is dependent on the platform.

Linux:

direct access to SMBIOS, if possible.

Solaris: sysinfo() call.

Gathering the serial number on Sun operating-system platforms is difficult, if not impossible. Sun also has a utility called Sneep. 

HP-UX:  uname -i

The "man" pages state that this will: Display the machine identification number (or the node name, if the machine identification number cannot be determined).

Note: Following are related commands used on HP-UX:

HW_Baseboard.SerialNumber

lscfg -vpl <id>

 

HW_Chassis.SerialNumber

lscfg -vpl <id>

 

HW_Storage.SerialNumber

lscfg -vpl <id>

 

HW_CompyterSystem.IdentifyingNumber

lsattr -El sys0 -a systemid                             

 

OS_OperatingSystem.SerialNumber

lsattr -El sys0 -a systemid                             

AIX: uname -u

The "man" pages state that this: Displays the system ID number. If this attribute is not defined, the output is the same as the output displayed by uname -m.