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  2. nl (Unix) - Wikipedia

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

    nl is a Unix utility for numbering lines, ... The following example numbers only the lines that begin with a capital letter A ... Code of Conduct;

  3. List of computing and IT abbreviations - Wikipedia

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

    HCI—Human—Computer Interaction; HD—High Density; HDD—Hard Disk Drive; 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

  4. 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.

  5. Line number - Wikipedia

    en.wikipedia.org/wiki/Line_number

    In computing, a line number is a method used to specify a particular sequence of characters in a text file.The most common method of assigning numbers to lines is to assign every line a unique number, starting at 1 for the first line, and incrementing by 1 for each successive line.

  6. Mode (user interface) - Wikipedia

    en.wikipedia.org/wiki/Mode_(user_interface)

    The Unix text editor vi can be notoriously difficult for beginners precisely because it uses modes, and because earlier versions configured mode indication to be turned off by default. In many computer video games, the keyboard is used both for controlling the game and typing messages.

  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. The Unix Programming Environment - Wikipedia

    en.wikipedia.org/wiki/The_Unix_Programming...

    Kernighan and Pike gives a brief description of the Unix design and the Unix philosophy: [1] Even though the UNIX system introduces a number of innovative programs and techniques, no single program or idea makes it work well. Instead, what makes it effective is the approach to programming, a philosophy of using the computer.

  9. Machine code - Wikipedia

    en.wikipedia.org/wiki/Machine_code

    In computer programming, machine code is computer code consisting of machine language instructions, which are used to control a computer's central processing unit (CPU). For conventional binary computers, machine code is the binary representation of a computer program which is actually read and interpreted by the computer. A program in machine ...