Perl and Unix

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Difference between Perl and Unix

Perl vs. Unix

Perl is a high-level, general-purpose, interpreted, dynamic programming language. Unix (trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

AWK

AWK is a domain-specific language designed for text processing and typically used as a data extraction and reporting tool.

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C (programming language)

C (pronounced – like the letter c) is a general-purpose programming language.

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Client–server model

The client–server model is a distributed application structure that partitions tasks or workloads between the providers of a resource or service, called servers, and service requesters, called clients.

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Command-line interface

A command-line interface (CLI) is a means of interacting with a computer program by inputting lines of text called command-lines.

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Compiler

In computing, a compiler is a computer program that translates computer code written in one programming language (the source language) into another language (the target language).

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Debian

Debian, also known as Debian GNU/Linux, is a Linux distribution composed of free and open-source software and optionally non-free firmware or software developed by the community-supported Debian Project, which was established by Ian Murdock on August 16, 1993.

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GNU General Public License

The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses, or copyleft, that guarantee end users the four freedoms to run, study, share, and modify the software.

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Graphical user interface

A graphical user interface, or GUI, is a form of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation.

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High-level programming language

In computer science, a high-level programming language is a programming language with strong abstraction from the details of the computer.

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Internet

The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices.

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Lex (software)

Lex is a computer program that generates lexical analyzers ("scanners" or "lexers").

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Linux

Linux is both an open-source Unix-like kernel and a generic name for a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds.

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Linux Journal

Linux Journal (LJ) is an American monthly technology magazine originally published by Specialized System Consultants, Inc. (SSC) in Seattle, Washington since 1994.

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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).

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Man page

A man page (short for manual page) is a form of software documentation usually found on a Unix or Unix-like operating system.

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Modular programming

Modular programming is a software design technique that emphasizes separating the functionality of a program into independent, interchangeable modules, such that each contains everything necessary to execute only one aspect of the desired functionality.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs.

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Plan 9 from Bell Labs

Plan 9 from Bell Labs is a distributed operating system which originated from the Computing Science Research Center (CSRC) at Bell Labs in the mid-1980s and built on UNIX concepts first developed there in the late 1960s.

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POSIX

The Portable Operating System Interface (POSIX) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems.

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Regular expression

A regular expression (shortened as regex or regexp), sometimes referred to as rational expression, is a sequence of characters that specifies a match pattern in text.

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Trademark

A trademark (also written trade mark or trade-mark) is a type of intellectual property consisting of a recognizable sign, design, or expression that identifies a product or service from a particular source and distinguishes it from others.

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Unix shell

A Unix shell is a command-line interpreter or shell that provides a command line user interface for Unix-like operating systems.

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Unix-like

A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, although not necessarily conforming to or being certified to any version of the Single UNIX Specification.

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Yacc

Yacc (Yet Another Compiler-Compiler) is a computer program for the Unix operating system developed by Stephen C. Johnson.

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Year 2038 problem

The year 2038 problem (also known as Y2038, Y2K38, Y2K38 superbug or the Epochalypse) is a time computing problem that leaves some computer systems unable to represent times after 03:14:07 UTC on 19 January 2038.

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