Lu meaning

Lutetium.
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(Logical Unit) In IBM SNA networking, one end of a communications session. The complete LU to LU session is defined by session type. Following are the common types. See SNA. 1 Host to 3770 RJE terminal 2 Host to 3270 mainframe terminal 3 Host to 3270 printer 6.2 Program-to-program 7 Host to 5250 midrange terminal.
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In the IBM Systems Network Architecture (SNA), a program that manages communications software for communications with end users. A logical unit session originally was defined as an end-to-end communication between an end-user terminal and the originating application residing in the host. Later versions, such as LU 6.2, support peer-to-peer communications between intelligent devices, without requiring the host to assume responsibility for communications support activities. LU 6.2 is also known as Advanced Program-to-Program Communications (APPC).
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Archaic form of loo. (card game)
noun
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Archaic form of loo. (beat at card game)
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Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
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The ccTLD for Luxembourg as assigned by the IANA.
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Origin of lu