Lexmark C762 - Manual (Page 197)

PostScript
4-20
mounted
true , if the device is mounted. This value is the same as the Mounted
device parameter from the specified IODevice.
removable
true , if the device is removable and must be mounted before it is
referenced. This value is the same as the Removable device parameter
from the specified IODevice.
The three integers are:
searchorder
The position in the search order. This value is the same as the SearchOrder
device parameter from the specified IODevice.
free
The number of free bytes on the device. This value is the same as the Free
device parameter from the specified IODevice.
size
The total number of bytes on the device. This value is the same as the
LogicalSize device parameter from the specified IODevice.
Error: typecheck
diskonline
— diskonline boolean
returns the value of the Writeable device parameter (which is a boolean) for the
%disk1% IODevice.
This operator is equivalent to executing the following PostScript emulation
sequence:
(%disk1%) currentdevparams /Writeable get
Error: stackoverflow