The I/O management subsystem
controls all the input and output of the computer system.
For the enforcement of security,
the most important things that the I/O management subsystem
During the transfer of blocks or
streams of data,
and during character I/O operation,
each I/O transaction is
completely separate from all others.
It follows a well-known and well-defined path;
the integrity of all data is maintained during data transactions.
permissions are enforced,
securing the data from unauthorized access.
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 22 April 2004