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Image Packaging System

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The Image Packaging System, also known as IPS or pkg(5), is a cross-platform package manager created by Sun Microsystems. It is used by OpenSolaris.

Features include:

  • Use of ZFS, allowing multiple boot environments and easy package operation rollbacks
  • Transactional actions
  • Support for multiple platform architectures within a single package
  • Legacy support for SVR4 packages
  • Extensive search grammar
  • Remote search capability
  • Changes-only based package updates
  • Network package repository
  • File and Network-based package publication
  • package operation history