UID

User Identifier

UID

Unique Identifier, details ...
Found on http://www.cryer.co.uk/glossary/u/index.htm

UID

General computing term used to refer to a number, such as a product code, registration code, or a text entry. In databases, the UID can also be referred to as the key field, a unique identifier to a particular record. If the user does not specify a key field, the software must generate a UID so that each entry is individually tagged
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0098974.html

uid

Unidentified
Found on http://www.scot-rail.co.uk/page/Glossary

UID

A number, usually associated with a login name, used by the system to identify owners of files and directories. The UID of a process becomes the owner of files created by the process and descendant processes.
Found on http://osr600doc.sco.com/en/HDK_oddi/posunix_gloss.html
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