The help command describes the commands and options available within pthread_debug. Without arguments, help will provide a brief one-line description of each command, with a list of the options supported. You can also specify an argument; help will give a full description of all commands having the argument as an initial string.
Format:
help [command]
command
Any DECthreads Debugger command. For example, help t will describe the thread and tset commands in detail. To get a full description of all commands, you can type help *. When you enter a command that is not recognized, pthread_debug will display the same output as help without arguments.