User:Shaikh Aasim Nisar/sandbox

FREE AND OPEN SOURCE SOFTWARE(FOSS) Free and open-source software (FOSS) is a software that can be classified as both free software and open-source software. Anyone is freely licensed to use, copy, study, and change the software in any way, and the source code is openly shared to the people.This is in contrast to proprietary software, where the software is under restrictive copyright and the source code is usually hidden from the users.Nearly all open source software is free software.There are a number of related terms and abbreviations for free and open source software (FOSS or F/OSS) or free/libre and open source software (FLOSS).

FREE SOFTWARE - means free as in "free speech" (vs.as in "free beer"). - freedom to use as desire, copy, distribute,modify. - often also free as in "free beer" (zero cost). - preffered term of Richard Stallman.

OPEN SOURCE SOFTWARE - source code (original program) is available to user. - to be able to modify, must have source code. - alternate term to Stallman's "free software".