-read INSTALL_AOTS
-[ -z "$INSTALL_AOTS" ] && INSTALL_AOTS=$INSTALL_AOTS__dflt
-INSTALL_AOTS=`readlink -m $INSTALL_AOTS`
-[ -d $INSTALL_AOTS ] && _exit "The target installation directory ($INSTALL_AOTS) already exists ! (if you want to reinstall, remove it first)"
+read INSTALL
+[ -z "$INSTALL" ] && INSTALL=$INSTALL__dflt
+INSTALL=`readlink -m $INSTALL`
+[ -d $INSTALL ] && _exit "The target installation directory ($INSTALL) already exists ! (if you want to reinstall, remove it first)"