IQDIR15 identifies the location of the Sybase IQ directory and is the location for other directories and files under that directory.
$IQDIR15/bin[64]/util_db.ini holds the login ID and password for the utility database, utility_db. The installation program lets you change these from their default values, login ID “DBA” and password “sql.”
$IQDIR15/logfiles is the default location for the server log and backup/restore log (the backup history file). You can override this default by setting the IQLOGDIR15 environment variable.
$IQDIR15/demo is the location for the iqdemo database files.