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  2. Personal identification number - Wikipedia

    en.wikipedia.org/wiki/Personal_identification_number

    A personal identification number (PIN; sometimes redundantly a PIN code or PIN number) is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system. The PIN has been the key to facilitating the private data exchange between different data-processing centers in computer networks for financial ...

  3. Personal identifier - Wikipedia

    en.wikipedia.org/wiki/Personal_identifier

    PIIs include direct identifiers (name, social security number) and indirect identifiers (race, ethnicity, age). [2] Identifiers can be sensitive and non-sensitive, depending on whether it is a direct identifier that is uniquely associated with a person or a quasi-identifier that is not unique. A quasi-identifier cannot pin down an individual ...

  4. User identifier - Wikipedia

    en.wikipedia.org/wiki/User_identifier

    Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier (GID) and other access control criteria, is used to determine which system resources a user can access. The password file maps textual user names to UIDs.

  5. EIN vs. Tax ID Number: Key Differences Explained - AOL

    www.aol.com/ein-same-tax-id-number-110132985.html

    An EIN is a tax ID number for businesses, churches, and some other organizations. An EIN is a form of tax ID number, but not all tax ID numbers are EINs. ... Purchase a savings bond in their name ...

  6. Unique identifier - Wikipedia

    en.wikipedia.org/wiki/Unique_identifier

    names or codes allocated using a regime involving multiple (concurrent) issuers of unique identifiers that are each assigned mutually exclusive partitions of a global address space such that the unique identifiers assigned by each issuer in each exclusive address space partition are guaranteed to be globally unique.

  7. Manage your AOL username

    help.aol.com/articles/account-management...

    A Primary username is the name you created when you first signed up for an AOL account. In the past, AOL offered the ability to create secondary usernames linked to this Primary username, however, as of November 30, 2017, the ability to add or manage additional usernames has been removed.

  8. What Is a Tax ID Number and When Do You Need One? - AOL

    www.aol.com/tax-id-number-one-235436367.html

    4. Adoption Tax ID Number. An adoption tax ID number is a temporary tax ID number the IRS assigns to a child in the adoption process so the adoptive parents can claim them as a dependent on their ...

  9. Naming convention (programming) - Wikipedia

    en.wikipedia.org/wiki/Naming_convention...

    The choice of a variable name should be mnemonic — that is, designed to indicate to the casual observer the intent of its use. One-character variable names should be avoided except for temporary "throwaway" variables. Common names for temporary variables are i, j, k, m, and n for integers; c, d, and e for characters. int i;