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2. "Hello, World!" program - Wikipedia

   en.wikipedia.org/wiki/"Hello,_World!"_program

   A "Hello, World!" program is generally a simple computer program which outputs (or displays) to the screen (often the console) a message similar to "Hello, World!" while ignoring any user input. A small piece of code in most general-purpose programming languages, this program is used to illustrate a language's basic syntax.

3. The C Programming Language - Wikipedia

   en.wikipedia.org/wiki/The_C_Programming_Language

   The C Programming Language (sometimes termed K&R, after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie, the latter of whom originally designed and implemented the C programming language, as well as co-designed the Unix operating system with which development of the language was closely intertwined.

4. C syntax - Wikipedia

   en.wikipedia.org/wiki/C_syntax

   A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.

5. C (programming language) - Wikipedia

   en.wikipedia.org/wiki/C_(programming_language)

   C ( pronounced / ˈsiː / – like the letter c) [6] is a general-purpose programming language. It was created in the 1970s by Dennis Ritchie and remains very widely used and influential. By design, C's features cleanly reflect the capabilities of the targeted CPUs. It has found lasting use in operating systems code (especially in kernels [7 ...

6. Linux - Wikipedia

   en.wikipedia.org/wiki/Linux

   A bootloader, for example GNU GRUB, LILO, SYSLINUX or systemd-boot. This is a program that loads the Linux kernel into the computer's main memory, by being executed by the computer when it is turned on and after the firmware initialization is performed. An init program, such as the traditional sysvinit and the newer systemd, OpenRC and Upstart.

7. C standard library - Wikipedia

   en.wikipedia.org/wiki/C_standard_library

   The C standard library or libc is the standard library for the C programming language, as specified in the ISO C standard. [1] Starting from the original ANSI C standard, it was developed at the same time as the C library POSIX specification, which is a superset of it. [2] [3] Since ANSI C was adopted by the International Organization for ...

8. C file input/output - Wikipedia

   en.wikipedia.org/wiki/C_file_input/output

   The C programming language provides many standard library functions for file input and output. These functions make up the bulk of the C standard library header <stdio.h>. [1] The functionality descends from a "portable I/O package" written by Mike Lesk at Bell Labs in the early 1970s, [2] and officially became part of the Unix operating system ...

9. Codecademy - Wikipedia

   en.wikipedia.org/wiki/Codecademy

   Codecademy. Codecademy is an American online interactive platform that offers free coding classes in 12 different programming languages including Python, Java, Go, JavaScript, Ruby, SQL, C++, C#, and Swift, as well as markup languages HTML and CSS. [3] [4] The site also offers a paid "Pro" option that gives users access to personalized learning ...