When you first install the Toolkit, the following environment variable is placed into the CONFIG.SYS file:

IPFC=C:\TOOLKIT\IPFC

The IPFC environment variable identifies the directory in which data files needed by the IPF compiler are stored.

When you first install the system, the following environment variables are placed into the CONFIG.SYS file:

The HELP environment variable identifies the location of .HLP libraries.

Help=C:\OS2\HELP

The BOOKSHELF environment variable identifies the location of online documents and is used by VIEW.

BOOKSHELF=C:\OS2\BOOK