In computer programming, standard streams are interconnected input and output communication channels between a computer program and its environment when it begins execution.- Standard streams
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Mechanism for inter-process communication using message passing.
A pipeline is a set of processes chained together by their standard streams, so that the output text of each process (stdout) is passed directly as input (stdin) to the next one.
Text entry and display device for system administration messages, particularly those from the BIOS or boot loader, the kernel, from the init system and from the system logger.
Today communication with system consoles is generally done abstractly, via the standard streams (stdin, stdout, and stderr), but there may be system-specific interfaces, for example those used by the system kernel.
In computing, redirection is a form of interprocess communication, and is a function common to most command-line interpreters, including the various Unix shells that can redirect standard streams to user-specified locations.
Unique identifier (handle) for a file or other input/output resource, such as a pipe or network socket.
Each Unix process (except perhaps daemons) should have three standard POSIX file descriptors, corresponding to the three standard streams:
A command-line interpreter or command-line processor uses a command-line interface (CLI) to receive commands from a user in the form of lines of text.
Inter-process communication: Most operating systems support means of inter-process communication (for example, standard streams or named pipes). Command lines from client processes may be redirected to a CLI program by one of these methods.
High-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
The object is an instance of the class and provides many methods for printing data to standard out, including which also appends a new line to the passed string.
General-purpose computer programming language.
The program prints "hello, world" to the standard output, which is usually a terminal or screen display.
Unix shell created by Bill Joy while he was a graduate student at University of California, Berkeley in the late 1970s.
By default, when csh runs a command, the command inherits the csh's stdio file handles for stdin, stdout and stderr, which normally all point to the console window where the C shell is running.
Command to view the contents of a text file one screen at a time.
If no file name is provided, looks for input from standard input.
Standard command line program of Unix and Unix-like operating systems, that prints the lines of its input or concatenation of all files listed in its argument list in sorted order.
In Version 5, Thompson invented "-" to represent standard input.