Word:

backward compatibility

(jargon)backward compatibility - 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.
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backtalk
backtick
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backtracking
backup
Backup Domain Controller
backup file
backup man
backup pumpkin
Backus Normal Form
Backus-Naur Form
Backward
backward analysis
backward and forward
backward chaining
backward combatability
-- backward compatibility --
backward compatible
Backwardation
Backwardly
backwardness
backwards
backwards compatibility
backwards compatible
backwash
Backwater
Backwoods
Backwoodsman
Backworm
backyard
Bacon
bacon and eggs
Bacon beetle
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