HELP

Command	Result
help or -h	List command classes.
help running	List commands in the “running” command class.
help run	Bottom-level help for the command “run”.
help info	List info commands for examining program state.
help info line	Help for the “info line” command.
help show	List show commands for displaying GDB state.
help show commands	Specific help for the “show commands” command.