InfoPrint XT for AIX product updates The packages in ftp://public.dhe.ibm.com/printers/products/pdxt/fixes with an extension of .taz are tar files that are compressed. Download the package in binary format, and use this command to extract the contents on your AIX system: uncompress < filename.taz | tar -xvf- Each package contains a file named readme.txt. The readme.txt file is specific to that package. Follow the instructions in the readme.txt for the package to complete the installation.