Library /sys$common/syshlp/dbg$help.hlb DEBUG, Command Summary, Symbol Searches and Symbolization  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The following commands are used to control symbol searches and
    symbolization:

    SHOW SYMBOL            Displays symbols in your program
    (SET,SHOW,CANCEL)      Sets a module by loading its symbol
    MODULE                 information into the debugger's symbol
                           table, identifies, cancels a set module
    (SET,SHOW,CANCEL)      Sets a shareable image by loading data
    IMAGE                  structures into the debugger's symbol
                           table, identifies, cancels a set image
    SET MODE [NO]DYNAMIC   Controls whether or not modules and
                           shareable images are set automatically
                           when the debugger interrupts execution
    (SET,SHOW,CANCEL)      (Establishes, displays, restores) the
    SCOPE                  scope for symbol searches
    SYMBOLIZE              Converts a memory address to a symbolic
                           address expression
    SET MODE [NO]LINE      Controls whether program locations are
                           displayed in terms of line numbers or
                           routine-name + byte offset
    SET MODE [NO]SYMBOLIC  Controls whether program locations are
                           displayed symbolically or in terms of
                           numeric addresses