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8 Cards in this Set

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  • Back

GPL

General Public License is the license that is used by the linux kernel. Grants you the rights to redistribute software (including source code and binaries) Represents a loosening of restrictions provided by a copyrighted law.

Site license

Opensource license additional rights for proprietary programs and grants an organization the rights to make certain numbers of copies for "site" of the program.

Richard Stallman

Founded FSF in 1985

FSF philosphy

Advocates for "free software" having the freedom to do what you want to the software and not necessarily the price of software. Under the GPL licensure.

4 Software freedoms that FSF abide by

0. Freedom to use the software for any purpose.


1. Freedom to examine the source code and modify it as you see fit.


2. Freedom to redistribute the software.


3. Freedom to redistribute your modified software.


"Free as in speech, not free as in beer."

GPLv2

Was released in 1991 and make strict explicit and implication of the 4 freedoms by stating that the derivative works must also be released under the GPL.


This clause prevents a company from wholly appropriating an open source program.

GPLv3

Introduced in 2007 with the intention of closing with the FSF viewed as loopholes in GPLv2, particularly with the respect to changing laws and practices since 1991. This version contains clauses that are intented to combat use of hardware restrictions that limit the FSF for freedoms.

LGPL

Typically applied to libraries.