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The IBM Style Guide: Conventions for Writers and Editors by Eric Radzinski, Leslie McDonald, Amy Laird, Jana Jenkins, Peter Hayward, Francis DeRespinis

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U

image UK n

Write as shown - all uppercase, no periods, and no spaces - as the abbreviation of “United Kingdom.”

image un-install v

Do not use. Use “uninstall.”

image unallocate v

Do not use. Use “deallocate” to refer to releasing a resource assigned to a task, program, or user.

image unallocated adj

Use to mean “not allocated” or “never allocated.”

unavailable adj

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