Dear Caldera Customer, Support Level Supplement (SLS) ptf7673b, the SCO UnixWare 7.1.0 and 7.1.1 cron supplement, addresses the following problems: SLS ptf7673a addresses this issue: Jobs run by at(1) or cron(1) can't handle large files (>2GB) SLS ptf7673b addresses this issue: During a switch-over to or from the daylight saving time an interval of time is skipped or duplicated. This supplement prevents skipping or duplication of cron jobs during these time intervals. Contents -------- /usr/bin/at /usr/bin/atq /usr/bin/atrm /usr/bin/batch /usr/bin/crontab /usr/sbin/cron Software Notes and Recommendations ---------------------------------- ptf7673b should only be installed on: UnixWare 7.1.0 or 7.1.1 NOTE: This supplement has been superseded by the UnixWare 7.1.1 Maintenance Pack for UnixWare 7.1.1 platforms only. The UnixWare 7.1.1 Maintenance Pack is available from: ftp://ftp.caldera.com/pub/unixware7/uw711pk If your system is running any libraries or commands that are contained in this SLS, these programs will continue to run with the old versions of these libraries or commands until the system is rebooted. Note that when all necessary patches have been installed, it is good to reboot the system at the earliest opportunity. This will ensure that no programs continue to run with the old libraries or commands. Installation Instructions ------------------------- 1. Download the ptf7673b.Z file to the /tmp directory on your machine. 2. As root, uncompress the file and add the package to your system using these commands: $ su Password: # uncompress /tmp/ptf7673b.Z # pkgadd -d /tmp/ptf7673b # rm /tmp/ptf7673b Alternatively, this SLS package may be installed in quiet mode, that is, without displaying the release notes and asking for confirmation. To do this, use these commands: $ su Password: # uncompress /tmp/ptf7673b.Z # pkgadd -qd /tmp/ptf7673b all # rm /tmp/ptf7673b 3. Reboot the system after installing this package. The release notes displayed prior to installation can be found in: /var/sadm/pkg/ptf7673/install/ptf7673.txt Removal Instructions -------------------- 1. As root, remove the package using these commands: $ su Password: # pkgrm ptf7673 2. Reboot the system after removing this package. If you have questions regarding this supplement, or the product on which it is installed, please contact your software supplier.