INSTALLATION INSTRUCTIONS FOR HOT FIX 81BA39 ON OS/2 BEFORE DOWNLOADING: The hot fix 81BA39 addresses the issue(s) in Release 8.1 (TS1M0) of Base SAS software on OS/2 as documented in SAS Note(s): SN-004576 IN operator in PROC SQL sometimes gives incorrect results which may be reviewed at: http://www.sas.com/service/techsup/unotes/SN/004/004576.html The hot fix package downloaded is a self extracting executable named 81ba39o2.exe which will install the following files: * saswgp.dll the replacement module containing the hot fix * 81ba39o2.aud a hot fix identifier file that will allow Technical Support to determine which fixes have been applied to a system * 81ba39o2.txt a copy of these installation instructions; this file is installed in !SASROOT\core\sasinst\hotfix IMPORTANT NOTES: 1. You must have Release 8.1 (TS1M0) installed on your system before applying this hot fix. 2. 81ba39o2.exe must be run from an OS2 command-line and must be launched from !SASROOT (the directory where Release 8.1 (TS1M0) is installed). AFTER DOWNLOADING: In this example, it is assumed that !SASROOT is: c:\sas STEP 1 Change to the !SASROOT directory, [c:\] cd c:\sas STEP 2 Move the downloaded executable to the !SASROOT directory. Assuming 81ba39o2.exe is downloaded to c:\myfiles, [c:\sas] move c:\myfiles\81ba39o2.exe \sas\81ba39o2.exe STEP 3 Back-up the original file(s), [c:\sas] ren c:\sas\core\sasexe\saswgp.dll saswgp.000 STEP 4 Assuming you are still in c:\sas, launch the executable. The "/directories" option is required to maintain the proper directory structure during file extraction, [c:\sas] 81ba39o2.exe /directories This completes the installation of hot fix 81BA39 on OS/2.