Commands to the debugger consist of a command name followed by 0 or more arguments. The debug command processor has been designed to make issuing debugging commands quite easy. Any command name can be abbreviated by its shortest unambiguous prefix (typically the first character of the command name is sufficient). Elements of argument lists can be separated by either blanks or commas. Where appropriate a default action is taken if an argument is omitted. Finally, a help command which provides a brief summary of the commands available has been included. Descriptions of all the debugging commands available are given in the following sections. Each section begins with a brief summary of the syntax of the command or commands described within it. In these summaries command names and literal arguments are displayed in bold face. Optional items are surrounded by square brackets and items that may be repeated zero or more times are surrounded by braces.