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  2. Default gateway - Wikipedia

    en.wikipedia.org/wiki/Default_gateway

    TCP/IP defines the addresses 192.168.4.0 (network ID address) and 192.168.4.255 (broadcast IP address). The office's hosts send packets to addresses within this range directly, by resolving the destination IP address into a MAC address with the Address Resolution Protocol (ARP) sequence and then encapsulates the IP packet into a MAC frame ...

  3. man page - Wikipedia

    en.wikipedia.org/wiki/Man_page

    The man page for the sed utility, as seen in various Linux distributions. A man page (short for manual page) is a form of software documentation found on Unix and Unix-like operating systems. Topics covered include programs, system libraries, system calls, and sometimes local system details. The local host administrators can create and install ...

  4. 0.0.0.0 day exploit - Wikipedia

    en.wikipedia.org/wiki/0.0.0.0

    RFC 1122 refers to 0.0.0.0 using the notation {0,0}. It prohibits this as a destination address in IPv4 and only allows it as a source address under specific circumstances. A host may use 0.0.0.0 as its own source address in IP when it has not yet been assigned an address, such as when sending the initial DHCPDISCOVER packet when using DHCP .

  5. List of HTTP header fields - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_header_fields

    Tells the browser to refresh the page or redirect to a different URL, after a given number of seconds (0 meaning immediately); or when a new resource has been created [clarification needed]. Header introduced by Netscape in 1995 and became a de facto standard supported by most web browsers.

  6. Page (computer memory) - Wikipedia

    en.wikipedia.org/wiki/Page_(computer_memory)

    A system with a smaller page size uses more pages, requiring a page table that occupies more space. For example, if a 2 32 virtual address space is mapped to 4 KiB (2 12 bytes) pages, the number of virtual pages is 2 20 = (2 32 / 2 12). However, if the page size is increased to 32 KiB (2 15 bytes), only 2 17 pages are required. A multi-level ...

  7. Elections in the United States - Wikipedia

    en.wikipedia.org/wiki/Elections_in_the_United_States

    All elections—federal, state, and local—are administered by the individual states, [2] with many aspects of the system's operations delegated to the county or local level. [ 1 ] Under federal law, the general elections of the president and Congress occur on Election Day , the Tuesday after the first Monday of November.

  8. Memory paging - Wikipedia

    en.wikipedia.org/wiki/Memory_paging

    In computer operating systems, memory paging (or swapping on some Unix-like systems) is a memory management scheme by which a computer stores and retrieves data from secondary storage [a] for use in main memory. [1]

  9. Twitter - Wikipedia

    en.wikipedia.org/wiki/Twitter

    X Logo used since 2023 [a] X homepage visited while logged out in December 2024 Formerly Twitter (2006–2023) Type of site Social networking service Available in Multilingual Founded March 21, 2006 ; 18 years ago (2006-03-21), in San Francisco, California, U.S. Headquarters Bastrop, Texas, United States Area served Worldwide, except blocking countries Owner Odeo (March–October 2006) Obvious ...