Dear SCO Customer, Support Level Supplement (SLS) PTF4011A, the Replacement rsh Supplement, corrects the problem of a potential process hang when rsh is used heavily. This was originally observed when thousands of print jobs were being issued remotely where rsh was called. SLS PTF4011A provides a modified /usr/bin/rsh which fixes this problem. Software Notes and Recommendations ---------------------------------- SLS PTF4011A should only be installed on these releases: SCO UnixWare Application Server Release 2.1.0, 2.1.1, 2.1.2, 2.1.3 SCO UnixWare Personal Edition Release 2.1.0, 2.1.1, 2.1.2, 2.1.3 Hardware Notes and Recommendations ---------------------------------- This SLS is intended for i486, Pentium Pro, Pentium II, and compatible CPUs. Installation Instructions ------------------------- 1. Download the ptf4011a.Z file to the /tmp directory on your machine. 2. As root, uncompress the file and add the SLS to your system using these commands: $ su Password: # uncompress /tmp/ptf4011a.Z # pkgadd -d /tmp/ptf4011a # rm /tmp/ptf4011a 3. It is not necessary to reboot the system after installing this SLS. The release notes displayed prior to installation can be found in /var/sadm/pkg/ptf4011/install/ptf4011.txt Removal Instructions -------------------- 1. As root, remove the SLS using these commands: $ su Password: # pkgrm ptf4011 2. It is not necessary to reboot the system after removing this SLS. If you have questions regarding this SLS, or the product on which it is installed, please contact your software supplier. We appreciate your business. SCO Support Services