What is SD-UX and why does it replace /etc/update?
For HP-UX 10.0, the distribution of HP-UX software has been completely revised. HP Software Distributor 2.0 is used to install, update, remove, and package HP-UX software. This product is called SD-UX, often informally shortened to just SD (even though there is also an unbundled product called SD-OV offering enhancements over SD-UX). All HP-UX 10.0 software is shipped on media compatible with SD. SD media can not be read by installation tools from previous HP-UX releases like /etc/update, nor can you use previous installation tools with HP-UX 10.0 software. The /etc/update program and its associated tools (/etc/updist, /etc/filesets/, /system/, and so on) are obsolete, replaced by SD. SD provides enhanced functionality, added features, and greater ease of use than that provided by previous installation tools. The concept of installing, configuring, removing, and otherwise managing software has not changed. However, the set of commands and some of the capabilities that SD brings to HP-U
