IBM F50 RS/6000 7025 - Manual (Page 294)

the file /var/update_flash_image can be removed to conserve space in the /var file
system.
Display Firmware Device Node
Note: Runs on CHRP systems units only.
This task displays the firmware device node information that appears on CHRP
platforms. The format of the output data will not necessarily be the same between
different levels of AIX. It is intended to be used to gather more information about
individual or particular devices on the system.
Display Resource Attributes
This task will display the Customized Device Attributes associated with a selected
resource. This task is similar to running the lsattr -E -l resource command.
7-24 IBM RS/6000 7025 F50 Series User's Guide