Gnu Public

GNU general public License,gnu GPL or GPL-&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; The general Public License Agreement, referred to as the GNU GPL or GPL, is a widely used free software license clause originally written by Richard for the GNU program. The GPL gives the definition of free software for computer programs ...

The GNU Lesser General public License,lgpl-gnu wide common common license is generally referred to as LGPL, earlier known as the GNU Library Universal Public License. LGPL is another version of the GPL, used for some (but not all) GNU libraries, following the http://www.aliyun.com/zixun/aggregation/16458.html ">copyleft ...

The GNU "GNU ' not Unix" recursive abbreviation, also known as the GNU Program or the slave scheme, was made by Richard Stallman at http://www.aliyun.com/zixun/aggregation/4367.html "> launched on September 27, 1983, the goal is to create a completely free operating system. Richard Stallman first published the message on the Net.unix-wizards News Group and attached ...

With the development of network and computer technology, the security of data storage and data exchange has become more and more important, and encryption technology has been used in data saving and data exchange very early. In order to ensure the correctness of the identities of both sides of the network data exchange, the visa system has matured. GnuPG is a set of tools for encrypting data and making certificates, and it works like PGP. But PGP uses a number of proprietary algorithms, which are among the notorious U.S. export restrictions. GnuPG is the GPL software, and does not use any patented encryption algorithm, so that ...

【51CTO finishing】 The following is the United States well-known technology site "Inforworld" has commented 10 most valuable open source software: 1. Linux kernel Linux is the most popular free operating system kernel. It is a Unix-like operating system written in C and conforming to the POSIX standard. Linux was first developed by Finnish hacker Linus Torvalds in an attempt to provide a free, free Unix-like operating system on the Intel x86 architecture. The plan starts at 19 ...

GPG, the GNU Privacy Guard, is a non-commercial version of cryptographic tool PGP (pretty), which is used to encrypt and authenticate emails, files, and other data to ensure the reliability and authenticity of communication data. This article will introduce the GPG technology and related tools, designed to help online surfers "sincere" communication. First, PGP overview before introducing GPG, let's take a look at the basic principles and application rules of PGP. Like many encryption methods, PGP uses double keys to ...

A concept extended by the http://www.aliyun.com/zixun/aggregation/29607.html "> Free Software Movement" is a common method of turning a program into a free software that has been translated into "Copyleft" Take up the meaning of insufficient copyright. The choice of copyleft authorization does not mean that the author abandons the copyright, in addition to allowing the authorized person to use, distribute, modify, the copyleft clause requires the modified derivative works ...

The advent of Microsoft's Windows operating system has been nearly 29, during which Windows has always been firmly in control of desktop dominance, but with the recent changes in the industry upstream pattern and the vigorous movement of the "geo-discovery" campaign, 　　Windows is facing a threat from multi-directional pluralism, most of which is a threat from open source forces. Careful people should find that although the Windows operating system still occupies more than 90% pc desktop, but its brand influence is less than in the past;

R is a GNU open Source Tool, with S-language pedigree, skilled in statistical computing and statistical charting. An open source project launched by Revolution Analytics Rhadoop the R language with Hadoop, which is a good place to play R language expertise. The vast number of R language enthusiasts with powerful tools Rhadoop, can be in the field of large data, which is undoubtedly a good news for R language programmers. The author gave a detailed explanation of R language and Hadoop from a programmer's point of view. The following is the original: Preface wrote several ...

Free Software foundation,fsf-http://www.aliyun.com/zixun/aggregation/29607.html "> Freedom Software Foundation English abbreviation FSF, is an American non-profit organization dedicated to the promotion of free software, established by Richard in October 1985. The 1990s ago, the FSF was primarily working to promote the development of free software, while also assuming the development of GNU ...