Definitions of dd [ˈdæz əl]

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Definition of 'dd'

Random House Webster's College Dictionary

1.  DD
dishonorable discharge.

2.  DD
Doctor of Divinity.

3.  dd
delivered.

Definition of 'dd'

Princeton's WordNet

1. (noun) Doctor of Divinity, DD
a doctor's degree in religion

Definitions of 'dd'

The New Hacker's Dictionary

1. dd
[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’.

'dd' - Nearby Entries
d-day dc dci dd dds ddt de-access

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