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 )