Option | Alternative Option | Description |
| -g | --get | Get the value of a specified configuration item |
| -s | --set | Set the value of a specific configuration item. This may fail silently, if the value given is constrained by other options or VMkernel settings. |
| -d | --default | Set the value of a specified configuration item to the default value defined by the VMkernel. |
| -q | --quiet | Perform any of the other options but don’t print the output to stdout |
| -k | --set-kernel | Set a VMkernel boot parameter |
| -j | --get-kernel | Get the value of a VMkernel boot parameter |
| -h | --help | Print a command usage message |
| -r | --restore | Read the contents of the configuration file, and perform a set for each of the advanced options in the file |
| -c | --get-config | Get the value of a specific line in esx.conf |
| -m | --set-message | Set DCUI welcome message |
| -u | --uuid | Ensure the VMkernel system UUID is set and print it |
| -U | --user-var | The name of the user variable to use for:
--get-user-var, --set-user-var, and --del-user-var |
| -G | --get-user-var | Get the value of a user specified generic value. Requires the --user-var option |
| -S | --set-user-var | Set the value of a user specified generic value. Requires the --user-var option |
| -D | --del-user-var | Delete the value of a user specified generic value. Requires the --user-var option |
| -A | --add-option <name> | This adds and advanced variable to /UserVars tree of the Advanced Options.
This is different to the --user-var options, which do not show in the VCUI and only contain simple user vars for use at boot time.
An advanced option requires the --add-type, --add-desc, --add-default, --add-name and --add-min, --add-max if type in int. |
| -T | --add-type | The type of user advanced option to add, must be either string or int |
| -E | --add-desc | The description of the user advanced option to add |
| -F | --add-default | The default value of the user advanced option to add |
| -N | --add-min | The min value of the user advanced option to add (int only) |
| -M | --add-max | The max value of the user advanced option to add (int only) |
| -H | --add-hidden <value> | The hidden value of the user advanced option to add. Must be either true or false. Default = false |
| -L | --del-option <name> | Delete a UserVars advanced option added with the -A command |
| -V | --has-option <name> | Return 0 from the command if the option exists return 1 otherwise |
Technical Guides 
