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  2. setuid - Wikipedia

    en.wikipedia.org/wiki/Setuid

    The setuid and setgid bits are normally represented as the values 4 for setuid and 2 for setgid in the high-order octal digit of the file mode. For example, 6711 has both the setuid and setgid bits (4 + 2 = 6) set, and also the file read/write/executable for the owner (7), and executable by the group (first 1) and others (second 1).

  3. Database connection - Wikipedia

    en.wikipedia.org/wiki/Database_connection

    Database connections are finite and expensive and can take a disproportionately long time to create relative to the operations performed on them. It is inefficient for an application to create, use, and close a database connection whenever it needs to update a database. Connection pooling is a technique designed to alleviate this problem. A ...

  4. Email address - Wikipedia

    en.wikipedia.org/wiki/Email_address

    The format of an email address is local-part@domain, where the local-part may be up to 64 octets long and the domain may have a maximum of 255 octets. [5] The formal definitions are in RFC 5322 (sections 3.2.3 and 3.4.1) and RFC 5321—with a more readable form given in the informational RFC 3696 (written by J. Klensin, the author of RFC 5321) and the associated errata.

  5. Online identity - Wikipedia

    en.wikipedia.org/wiki/Online_identity

    "Disembodiment" is the idea that once the user is online, the need for the body is no longer required, and the user can participate separately from it. This ultimately relates to a sense of detachment from the identity defined by the physical body. In cyberspace, many aspects of sexual identity become blurred and are only defined by the user.

  6. Preparer Tax Identification Number - Wikipedia

    en.wikipedia.org/wiki/Preparer_Tax...

    The Preparer Tax Identification Number was created in 1999 to protect the privacy of tax return preparers. Preparers were required to sign the tax forms they prepared and provide their Social Security Numbers. Starting with the 2000 tax season, the IRS gave preparers the option of using either their SSNs or PTINs. [1]

  7. User-Agent header - Wikipedia

    en.wikipedia.org/wiki/User-Agent_header

    In computing, the User-Agent header is an HTTP header intended to identify the user agent responsible for making a given HTTP request. Whereas the character sequence User-Agent comprises the name of the header itself, the header value that a given user agent uses to identify itself is colloquially known as its user agent string.

  8. Create a AOL account

    login.aol.com/account/create

    Join AOL today and enjoy free email, news, entertainment and more. Sign up for an AOL account in a few easy steps and access all the benefits.

  9. WeChat - Wikipedia

    en.wikipedia.org/wiki/WeChat

    For non-Chinese users of Weixin Pay, an additional identity verification process of providing a photo of a valid ID is required before certain functions of Weixin Pay become available. Users who link their credit card can only make payments to vendors, and cannot use this to top up WeChat balances.