# lstopo > Show the hardware topology of the system. > More information: . - Show the summarized system topology in a graphical window (or print to console if no graphical display is available): `lstopo` - Show the full system topology without summarizations: `lstopo --no-factorize` - Show the summarized system topology with only physical indices (i.e. as seen by the OS): `lstopo {{[-p|--physical]}}` - Write the full system topology to a file in the specified format: `lstopo --no-factorize {{[--of|--output-format]}} {{console|ascii|tex|fig|svg|pdf|ps|png|xml}} {{path/to/file}}` - Output in monochrome or greyscale: `lstopo --palette {{none|grey}}`