man pages section 2: System Calls
    
D
 
 DAC ( Index Term Link )
 
 determine accessibility of a file -- access ( Index Term Link )
 
 device objects ( Index Term Link )
 
 devpolicy -- get/set device driver policy table ( Index Term Link )
 
 directories
  change working directory -- chdir ( Index Term Link )
  create a new one -- mknod ( Index Term Link )
  get configurable pathname variables -- pathconf ( Index Term Link )
  make a new one -- mkdir ( Index Term Link )
  read directory entries and put in a file system independent format -- getdents ( Index Term Link )
  remove -- rmdir ( Index Term Link )
 
 discretionary access control ( Index Term Link )
 
 disjoint ( Index Term Link )
 
 dominance ( Index Term Link )
 
 dominate ( Index Term Link )