The followings are the location of the environment variables where you can disable and enable the startup of the following modules, llt, gab, vxfen and vcs on HP-UX platform.
By default they are all set to 1.
Please set them to 0, if needs to disable these modules from starting up during the boot up process.
/etc/rc.config.d/lltconf
LLT_START=1
LLT_STOP=1
/etc/rc.config.d/gabconf
GAB_START=1
GAB_STOP=1
/etc/rc.config.d/vxfenconf
VXFEN_START=1
VXFEN_STOP=1
/etc/rc.config.d/vcsconf
VCS_START=1
VCS_STOP=1