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8 definitions found
 for DD
From WordNet (r) 3.0 (2006) :

  DD
      n 1: a doctor's degree in religion [syn: Doctor of Divinity,
           DD]

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (September 2014) :

  DD
         Data Dictionary (SA, CASE, DB)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (September 2014) :

  DD
         Depacketization Delay
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (September 2014) :

  DD
         Dansk Dataforening (org., Denmark)
         

From V.E.R.A. -- Virtual Entity of Relevant Acronyms (September 2014) :

  DD
         Double Density [disks] (FDD)
         

From The Jargon File (version 4.4.7, 29 Dec 2003) :

  dd
   /dee?dee/, vt.
  
      [Unix: from IBM JCL] Equivalent to cat or BLT. Originally the name of
      a Unix copy command with special options suitable for block-oriented
      devices; it was often used in heavy-handed system maintenance, as in ?Let's
      dd the root partition onto a tape, then use the boot PROM to load it back
      on to a new disk?. The Unix dd(1) was designed with a weird, distinctly
      non-Unixy keyword option syntax reminiscent of IBM System/360 JCL (which
      had an elaborate DD ?Dataset Definition? specification for I/O devices);
      though the command filled a need, the interface design was clearly a prank.
      The jargon usage is now very rare outside Unix sites and now nearly
      obsolete even there, as dd(1) has been deprecated for a long time (though
      it has no exact replacement). The term has been displaced by BLT or
      simple English ?copy?.
  

From The Free On-line Dictionary of Computing (18 March 2015) :

  DD
  
     1.  double density.
  
     2.  data dictionary.
  
     3.  Deployment Descriptor.
  
     (2005-01-26)
  

From The Free On-line Dictionary of Computing (18 March 2015) :

  dd
  
     A Unix copy command with special options suitable for
     block-oriented devices; it was often used in heavy-handed
     system maintenance, as in "Let's "dd" the root partition
     onto a tape, then use the boot PROM to load it back on to a
     new disk".
  
     dd had a distinctly non-Unixy keyword option syntax
     reminiscent of IBM System/360 JCL (which had an elaborate
     DD "Dataset Definition" specification for I/O devices).
     Though the command filled a need, the interface design was
     clearly a prank.
  
     [{Jargon File]
  
     (2005-08-08)
  

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