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IzPack offers the possibility to set a list of default installation directories depending on the target installation platform.

When the compiled installer is executed, IzPack chooses the one matching the assigned platform.

This can be achieved by explicitly setting variables with the prefix: TargetPanel.dir.

IzPack recognizes this as a built-in variable which can be user-modified.


  • aix
  • debian_linux
  • fedora_linux
  • freebsd
  • hp_ux
  • linux
  • mac
  • mac_osx
  • mandrake_linux
  • mandriva_linux
  • os_2
  • red_hat_linux
  • sunos
  • sunos_x86
  • sunos_sparc
  • suse_linux
  • unix
  • ubuntu_linux
  • windows
  • windows_7
  • windows_8
  • windows_xp
  • windows_2003
  • windows_vista


OSParent Directory
WindowsProgramFiles environment variable
Mac OSX/Applications
Others/usr/local/ if writeable, or System.getProperty("user.home") if not

Differences Changes from 4.3.6

The range of values the variable can have has been significantly enhanced, as per IZPACK-829.

Differences between Changes from earlier versions

Prior to 4.3.5 and 4.3.6In 4.3.5, resources were used rather than variables. Resources were searched for with the following names