man pages section 7: Device and Network Interfaces
    
M
 
 m64 -- frame buffers device driver ( Index Term Link )
 
 magnetic tape interface, -- mtio ( Index Term Link )
 
 md -- pseudo device driver for metadevice ( Index Term Link )
 
 mem-- image of core memory ( Index Term Link )
 
 memory, core, image -- mem ( Index Term Link )
 
 memory, zeroed unnamed, source -- zero ( Index Term Link )
 
 memory based filesystem -- tmpfs ( Index Term Link )
 
 message output collection, msglog ( Index Term Link )
 
 mhd -- multihost disk control operations ( Index Term Link )
  Automatic Probing ( Index Term Link )
  MHIOCENFAILFAST Ioctl ( Index Term Link )
  Non-shared multihost disks: ( Index Term Link )
  Shared Multihost Disks ( Index Term Link )
 
 Microsoft Bus Mouse device interface -- msm ( Index Term Link )
 
 mixer -- audio mixer device interface ( Index Term Link )
 
 monitor, PROM monitor configuration interface -- openprom ( Index Term Link )
 
 monochrome frame buffer -- bwtwo ( Index Term Link )
 
 Mouse device interface, LOGITECH Bus Mouse device interface -- logi ( Index Term Link )
 
 msglog, message output collection ( Index Term Link )
 
 msm -- Microsoft Bus Mouse device interface ( Index Term Link )
 
 mtio -- general magnetic tape interface ( Index Term Link )
 
 multihost disk control operations -- mhd ( Index Term Link )