1. 
   user name
   (operating system, security) (Or 'logon') A unique name for each user of computer services which can be accessed by several persons. Users need to identify themselves for accounting, security, logging, and resource management. Usually a person must also enter a password in order to access a service...
   Found op http://foldoc.org/user+name
   
   
2. 
   User name
   on most host systems, the first time you connect you are asked to supply a one-word user name - this can be any combination of letters and numbers - it is a unique identifier that is linked to a UID in the Unix operating system(s) - this is done so that people don't have to go around and remember th...
   Found op http://www.archivemag.co.uk/
   
   
3. 
   USER NAME
   This is used for ftp access, e-mail accounts and site administration (i.e. user name "info" also becomes your primary e-mail: info@yourdomain.com)
   Found op http://www.glossarycentral.com/website_hosting/user_name.html
   
   
4. 
   Username
   A personal code that identifies you to a computer system which you are authorized to use.
   Found op http://www.ycp.edu/library/ifl/glossary.html
   
   
5. 
   Username
   Every user account is created with a username and password. These credentials must be supplied in order to log into the submissions website. Usernames must be in the form of an email address (e.g. bloggs@tso.co.uk) but they are not case sensitive. If required, you can change your username by accessi...
   Found op http://www.gazettesubmissions.co.uk/Glossary.xhtml
   
   
6. 
   Username
   The name used by Proquote to identify you uniquely - a username and password for Proquote are required for price retrieval.
   Found op http://www.proquote.net/glossary.html
   
   
7. 
   username
   1) Chat room info 2) Log-on need 3) Online identity 4) Requirement for access, maybe 5) Start of certain addresses 6) Surfer's choice
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/username/1
   
   

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