Help | ?
Displays help about the syntax for invoking the command-line tool or displays help about individual commands.
Syntax
{Help | ?} [{short_command_name | long_command_name}]
where:
short_command_name is the short version of the command name. For example, e is the short version of the Echo command.
long_command_name is the long version of the command name, for example, Echo.
Example
The following example displays help for the Echo command:
? Echo
