ash-java/src/main/java/org/eiichiro/ash/Shell.java
public void unregister(String name) {
		Preconditions.checkArgument(name != null && !name.isEmpty(), "Parameter 'name' must not be [" + name + "]");
		commands.remove(name);
	}
public void unregister(String name) {
		Preconditions.checkArgument(name != null && !name.isEmpty(), "Parameter 'name' must not be [" + name + "]");
		commands.remove(name);
	}
Unregisters the command corresponding to the specified name from the shell.

@param name Name of command.