The lexical function:

  F$GETENVIRONMENT(item)

where item = AUTO_ACTION/BOOT_DEV/BOOTCMD_DEV/BOOTED_DEV/BOOT_FILE/BOOTED_FILE/
BOOT_OSFLAGS/BOOTED_OSFLAGS/BOOT_RESET/DUMP_DEV/ENABLE_AUDIT/LICENSE/CHAR_SET/
LANGUAGE/TTY_DEV

retrieves information about the console settings.