Backward compatibility



backward compatibility

jargon
Able to share data or commands with older versions of itself, or sometimes other older systems, particularly systems it intends to supplant. Sometimes backward compatibility is limited to being able to read old data but does not extend to being able to write data in a format that can be read by old versions.
For example, WordPerfect 6.0 can read WordPerfect 5.1 files, so it is backward compatible. It can be said that Perl is backward compatible with awk, because Perl was (among other things) intended to replace awk, and can, with a converter, run awk programs.
See also: backward combatability.
Compare: forward compatible.
(2003-06-23)

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  • Backward

    toward the back or rear. with the back foremost. in the reverse of the usual or right way: counting backward from 100. toward the past: to look backward over one’s earlier mistakes. toward a less advanced state; retrogressively: Since the overthrow of the president the country has moved steadily backward. directed toward the back or […]

  • Backward compatible

    backward compatible backward compatibility



  • Backwardation

    (on the London stock exchange) the fee paid by a seller of securities to the buyer for the privilege of deferring delivery of purchased securities. noun (commerce) the difference between the spot price for a commodity, including rent and interest, and the forward price (formerly, on the Stock Exchange) postponement of delivery by a seller […]

  • Backwardness

    toward the back or rear. with the back foremost. in the reverse of the usual or right way: counting backward from 100. toward the past: to look backward over one’s earlier mistakes. toward a less advanced state; retrogressively: Since the overthrow of the president the country has moved steadily backward. directed toward the back or […]



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