# dupatch -track -type kit

        * Previous session logs saved in session.log.[1-25]

- This dupatch session is logged in /var/adm/patch/log/session.log

Gathering details of relevant patches, this may take a bit of time

        Patches installed on the system came from following patch kits:
        --------------------------------------------------------------

        - T64V51AS0003-20010521 OSF510
        - T64V51AS0003-20010521 TCR510
        - T64V51B20AS0006-20030210 OSF510
        - T64V51B20AS0006-20030210 TCR510

                                NOTE

        When a patch kit is listed, it does not necessarily mean
        all patches on that kit are installed on your system.

# sizer -v
Compaq Tru64 UNIX V5.1 (Rev. 732); Wed May 14 22:25:15 UYT 2003

# what /vmunix |grep fifo_vnops
        $RCSfile: fifo_vnops.c,v $ $Revision: 4.3.106.2 $ (DEC) $Date: 1999/06/17 11:41:28 $