Wednesday, February 9, 2011

SYSTEMS SOFTWARE

C++

An object-oriented version of C that has been widely used to develop enterprise and commercial applications. Created by Bjarne Stroustrup, C++ became popular because it combined traditional C programming with object-oriented programming (OOP) features. Smalltalk and other OOP languages did not provide the familiar structures of conventional languages such as C and Pascal. Microsoft's Visual C++ is the most widely used C++ language

UNIX

A multiuser, multitasking operating system that is widely used as the master control program in workstations and servers. The Open Group holds the trademark for the UNIX name (spelled in upper case) on behalf of the industry and provides compliance certification to the UNIX standard

LINUX

Linux is the most popular open source operating system. Its source code is available free of charge; however, for a fee, Linux is distributed with technical support and training from commercial vendors such as Red Hat Software (www.redhat.com) and Novell (www.novell.com). A Linux "distribution" is available as a download or on CD or DVD media, which may comprise from a handful to several hundred applications, tools and utilities. Source code for the Linux kernel as well as the auxiliary programs may also be included

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