Users Guide

CCTK Options 25
Help Option
The -h and --help options display general usage information for the utility.
If the argument matches a valid option, that option's usage information
is displayed. If the option has arguments, the arguments are displayed,
separated by a | character. If the argument does not match a valid option,
a usage error is given (and usage information is displayed).
Error Checking and Error Messages
The CCTK utilities check your commands for correct syntax when you
enter them. Unrecognized or invalid options and arguments result in a usage
error that displays the CCTK utility name and version along with the
message.
CCTK Options
CCTK options can be divided into types:
• General options : apply to all systems
• BIOS options : apply only if a system's BIOS supports them
NOTE: If you are running the CCTK commands on Windows Vista or later,
run the commands with the administrator privileges. To run the commands with
administrator privileges, click Start → Run. Right-click on the icon and
select Run as administrator. The command prompt appears where you can
type the commands.
CCTK General Options
NOTE: Some of the options in CCTK are followed by an asterisk. These options do
not accept any suboptions or arguments. The values associated with these options
are those that are reported by the BIOS. These values cannot be modified.
-h or --help
Valid Argument
none or < valid option name >