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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 in Version 7.
The C shell can also read commands from a file, called a script. Like all Unix shells, it supports filename wildcarding, piping, here documents, command substitution, variables and control structures for condition-testing and iteration. What differentiated the C shell from others, especially in the 1980s, were its interactive features and ...
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.
CASE—Computer-aided software engineering; cc—C compiler; CC—Carbon copy; CD—Compact Disc; CDE—Common Desktop Environment; CDMA—Code-division multiple access; CDN—Content delivery network; CDP—Cisco Discovery Protocol; CDP—Continuous data protection; CD-R—CD-Recordable; CD-ROM—CD Read-Only Memory; CD-RW—CD-Rewritable
It is a physical device consisting of a keyboard and a printer or screen, and traditionally is a text terminal, but may also be a graphical terminal. Another, older, meaning of system console, computer console, hardware console, operator's console or simply console is a hardware component used by an operator to control the hardware, typically ...
In DOS and Windows (and in CP/M and many DEC operating systems such as the PDP-6 monitor, [3] RT-11, VMS or TOPS-10 [4]), reading from the terminal will never produce an EOF. Instead, programs recognize that the source is a terminal (or other "character device") and interpret a given reserved character or sequence as an end-of-file indicator ...
Screenshot of a sample Bash session in GNOME Terminal 3, Fedora 15 Screenshot of Windows PowerShell 1.0, running on Windows Vista. A command-line interface (CLI) is a means of interacting with a computer program by inputting lines of text called command lines.
Reading is an action performed by computers, to acquire data from a source and place it into their volatile memory for processing. Computers may read information from a variety of sources, such as magnetic storage, the Internet, or audio and video input ports. Reading is one of the core functions of a Turing machine.