What happens during an unlink(2)

[Edward C. Bennett]

In article <238 at chronon.chronon.UUCP>, eric at chronon.UUCP (Eric Black) writes:
> >
> >	[discussion of what unlink(2) does]
> 
> Some unitory systems do, indeed, zero out disk blocks when de-allocated,
> and similarly clear memory when freed.  Any system you sell to customers
> with concerns about security will require this.  Check out DOD requirements
> for secure systems in the "Department of Defense Trusted Computer
> System Evaluation Criteria", publication CSC-STD-001-83 (my copy is
> dated March 1985) for this and other interesting features...
> 
> Spooks aren't the only people who might desire disks & memory to be
> cleansed when released, by the way.
> 

	You're absolutely right. I never though about that way.

-- 
Edward C. Bennett

UUCP: ihnp4!cbosgd!ukma!ukecc!edward

Kentucky: The state that is being dragged, kicking and screaming,
	  into the 20th century.

"Goodnight M.A."