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  2. Why did I receive an email from MAILER-DAEMON? - AOL Help

    help.aol.com/articles/what-is-a-mailer-daemon...

    If the delivery failure message says the account doesn't exist double check the spelling of the address you entered. A single misplaced letter could cause a delivery failure. If the message keeps getting bounced back, make sure the account is closed or hasn't been moved.

  3. Bus error - Wikipedia

    en.wikipedia.org/wiki/Bus_error

    Most CPUs are byte-addressable, where each unique memory address refers to an 8-bit byte. Most CPUs can access individual bytes from each memory address, but they generally cannot access larger units (16 bits, 32 bits, 64 bits and so on) without these units being "aligned" to a specific boundary (the x86 platform being a notable exception).

  4. Help : Cite errors/Cite error references invalid parameters

    en.wikipedia.org/wiki/Help:Cite_errors/Cite...

    Invalid parameter: use the {{reflist}} template with the group parameter (see the help page). If you have read this help page and find something missing or confusing, please discuss it at the main talk page .

  5. COBOL - Wikipedia

    en.wikipedia.org/wiki/COBOL

    Typing discipline: Weak, static: Filename extensions.cbl, .cob, .cpy: Major implementations; GnuCOBOL, IBM COBOL, Micro Focus Visual COBOL: Dialects; COBOL/2, DEC COBOL-10, DEC PDP-11 COBOL, DEC PDP-11 COBOL-85, DEC VAX COBOL, DOSVS COBOL, Envyr ICOBOL, Fujitsu COBOL, Hitachi COBOL2002, HP3000 COBOL/II, IBM COBOL SAA, IBM COBOL/400, IBM COBOL/II, IBM Enterprise COBOL, IBM ILE COBOL, IBM OS/VS ...

  6. Address Resolution Protocol - Wikipedia

    en.wikipedia.org/wiki/Address_Resolution_Protocol

    The Address Resolution Protocol (ARP) is a communication protocol for discovering the link layer address, such as a MAC address, associated with a internet layer address, typically an IPv4 address. The protocol, part of the Internet protocol suite , was defined in 1982 by RFC 826 , which is Internet Standard STD 37.

  7. Software testing - Wikipedia

    en.wikipedia.org/wiki/Software_testing

    It verifies that the software functions properly even when it receives invalid or unexpected inputs, thereby establishing the robustness of input validation and error-management routines. [ citation needed ] Software fault injection , in the form of fuzzing , is an example of failure testing.

  8. fork (system call) - Wikipedia

    en.wikipedia.org/wiki/Fork_(system_call)

    In the child process, the return value appears as zero (which is an invalid process identifier). The child process prints the desired greeting message, then exits. (For technical reasons, the POSIX _exit function must be used here instead of the C standard exit function.)

  9. Template:Error messages - Wikipedia

    en.wikipedia.org/wiki/Template:Error_messages

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