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  2. nl (Unix) - Wikipedia

    en.wikipedia.org/wiki/Nl_(Unix)

    The command has a number of switches: a - number all lines; t - number lines with printable text only; n - no line numbering; string - number only those lines containing the regular expression defined in the string supplied.

  3. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    This is a list of POSIX (Portable Operating System Interface) commands as specified by IEEE Std 1003.1-2024, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating systems and most Unix-like operating systems.

  4. Computer network programming - Wikipedia

    en.wikipedia.org/wiki/Computer_network_programming

    Network programming traditionally covers different layers of OSI/ISO model (most of application-level programming belongs to L4 and up). The table below contains some examples of popular protocols belonging to different OSI/ISO layers, and popular APIs for them.

  5. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    HCL—Hardware Compatibility List; HD DVD—High Definition DVD; HDL—Hardware Description Language; HDMI—High-Definition Multimedia Interface; HECI—Host Embedded Controller Interface; HF—High Frequency; HFS—Hierarchical File System; HHD—Hybrid Hard Drive; HID—Human Interface Device; HIG—Human Interface Guidelines

  6. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for bidirectional traffic. TCP usually uses port numbers that match the services of the corresponding UDP implementations, if they exist, and vice versa.

  7. NL - Wikipedia

    en.wikipedia.org/wiki/NL

    .nl, the Internet country code top-level domain for the Netherlands; NL (complexity), a computational complexity class; nl (format), a file format for presenting mathematical programming problems; nl (Unix), a Unix utility for numbering lines; Newline, a special character in computing signifying the end of a line of text

  8. Lists of network protocols - Wikipedia

    en.wikipedia.org/wiki/Lists_of_network_protocols

    List TCP- and UDP-based protocols: List of TCP and UDP port numbers: Automation: List of automation protocols: Bluetooth: List of Bluetooth protocols: File transfer: Comparison of file transfer protocols: Instant messaging: Comparison of instant messaging protocols: Internet Protocol: List of IP protocol numbers: Link aggregation: List of ...

  9. Netlink - Wikipedia

    en.wikipedia.org/wiki/Netlink

    Netlink is a socket family used for inter-process communication (IPC) between both the kernel and userspace processes, and between different userspace processes, in a way similar to the Unix domain sockets available on certain Unix-like operating systems, including its original incarnation as a Linux kernel interface, as well as in the form of a later implementation on FreeBSD. [2]