Dear SCO Customer,

Support Level Supplement (SLS) PTF7072A, the UnixWare 7 vtoc Driver 
Supplement, fixes a panic that will occur when fstyp is run on a disk 
that does not contain a valid vtoc.

SLS PTF7072A contains:

        /etc/conf/pack.d/vtoc/Driver.o
        

The release notes displayed prior to installation can be found in:

        /var/sadm/pkg/ptf7072/install/ptf7072.txt

Software Notes and Recommendations
----------------------------------

SLS PTF7072A should only be installed on UnixWare 7.0.1.


Installation Instructions
-------------------------

1. Download the ptf7072a.Z file to the /tmp directory on your machine.

2. As root, uncompress the file and add the SLS package to your system
   using these commands:

        $ su
        Password: <type your root password>
        # uncompress /tmp/ptf7072a.Z
        # pkgadd -d /tmp/ptf7072a
        # rm /tmp/ptf7072a

3. Reboot the system after installing this SLS package.


Removal Instructions
--------------------

1. As root, remove the SLS package using these commands:

        $ su
        Password: <type your root password>
        # pkgrm ptf7072

2. Reboot the system after removing this SLS package.


If you have questions regarding this SLS, or the product on which 
it is installed, please contact your software supplier.