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Gobble up these 8 terms for eating Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Difference: What's the diff? (mid-1800s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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diff in Technology

/dif/ 1. A change listing, especially giving differences between (and additions to) different versions of a piece of source code or documentation (the term is often used in the plural "diffs"). "Send me your diffs for the Jargon File!"
Compare vdiff.
2. Specifically, such a listing produced by the diff Unix command, especially when used as input to the patch utility (which actually performs the modifications). This is a common method of distributing patches and source updates.
3. To compare (whether or not by use of automated tools on machine-readable files).
See also vdiff, mod.
[Jargon File]

The Free On-line Dictionary of Computing, © Denis Howe 2010
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The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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