Explain Program License, Freeware Software, Shareware
Software is set of instruction given to the computer, and written in high level language is called software. and Software many types in computer field everyone you know it
- All software must be legally licensed before it may be installed.
General Public License
- The General Public License (GPL) is the most widely used free software license, originally written by Richard Stallman for the GNU project.
- The GPL is the first copy left license for general use, which means that derived works can only be distributed under the same license terms.
Open Source Software
- Open source software(OOS) is software with source code that is publicly available under a license that gives users the right to study, change, and distribute the software as they wish. Some open source software are
- Apache (web server)
- CentOS (Linux distribution from Red Hat’s development efforts)
- Fedora (Linux destop system)
- JBoss (J2EE server for Enterprise Java Development)
- Slackware (Linux distribution)
- Tomcat (Java servlet container)
- Ubuntu (a Linux desktop operating system)
- Freeware (from “free” and “software”) is computer software that is available for use at no cost or for an optional fee, but usually with one or more restricted usage rights.
- Freeware is in contrast to commercial software, which is typically sold for profit, but might be distributed for a business or commercial purpose in the aim to expand the market share of
- Popular examples of freeware include Firefox, Google Chrome, 7-Zip and Adobe Flash Player.
- This software is provided to users without payment on a trial basis and is often limited by any combination of functionality.
- Shareware is often offered as a download from an Internet website or as a compact disc to give buyers the opportunity to use the program and judge its usefulness before purchasing a license for the full version of the software.
- Proprietary software is computer software licensed under exclusive legal right of the copyright holder. The licensee is given the right to use the software under certain conditions, but restricted from other uses, such as modification, further distribution, or reverse engineering.
- Copyright is a set of exclusive rights granted to the author or creator of an original work, including the right to copy, distribute and adapt the work. Copyright does not protect ideas, only their expression. Uses covered under limitations and exceptions to copyright, such as fair use, do not require permission from the copyright owner. All other uses require permission and copyright owners can license or permanently transfer or assign their exclusive rights to others.
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