05-29-2008
well i have a operating systems module at uni and i noticed this question in an old exam paper and cant find an answer to it anywhere. i thought it might have something to do with the arguments that open the file/device maybe.
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LEARN ABOUT SUNOS
getdevpolicy
getdevpolicy(1M) System Administration Commands getdevpolicy(1M)
NAME
getdevpolicy - inspect the system's device policy
SYNOPSIS
/usr/sbin/getdevpolicy [device...]
DESCRIPTION
Without arguments, getdevpolicy outputs the device policy in effect to standard output.
With arguments, each argument is treated as a pathname to a device and the device policy in effect for that specific device is printed pre-
ceeded by the supplied pathname.
USAGE
The device policy adds access restrictions over and above the file permissions.
EXIT STATUS
The following exit values are returned:
0 Successful completion.
non-zero An error occurred.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|Interface Stability |See below |
+-----------------------------+-----------------------------+
The invocation is evolving. The output is unstable.
SEE ALSO
add_drv(1M), rem_drv(1M), update_drv(1M), attributes(5), privileges(5), devfs(7FS)
SunOS 5.10 9 Apr 2004 getdevpolicy(1M)