FREE SOFTWARE DEFINITION

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Presentation transcript:

FREE SOFTWARE DEFINITION Free software is matter of freedom rather than price FREE SPEECH NOT FREE BEER Linguistic problems FREE= freedom of users of executing, copying, distributing, changing programme Free software does not mean non-commercial 4 FREEDOM • Freedom of excuting the programme for any purpose (Freedom 0). • Freedom of studying the way the program works making it suitable to one's own necessities. (Freedom 1). Access to the source code is a prerequiste • Freedom of redistributing copies in order to help your neighbour (Freedom 2). • Freedom of improving and publicly distributing the related improvements, so that the whole community may benefit from it. (Freedom 3). Access to the source code is prerequiste

Possible limits to the users' rights • The previous software developers must be quoted even in the modified versions, leaving untouched their copyright. •It is not possible to apply an incompatible User's License to an original one or so that it goes against the same License terms • In the license, there is normally a clause that lays down that the software cannot be used if it does not comply with the User's License or if one or more license clauses are not valid according to the contract terms. • When a binary code is distributed also the source code must be given or there must be the chance of receiving a copy on request paying exclusively for the support cost.

Free Software Foundation (FSF) FSF was founded in 1985 in USA Non-governamental, non-profit organization

AIMS OF FSF ORIGINAL AIM Promotion of free software ideals To guarantee the four fondamental freedom OTHER AIMS Certification of the free software released in the market Development of new free software Creation of a list of project at heigh priority (GNU PDF, a set of libraries and free high quality programmes full and/or portable version for managing PDF format, Gnash, the free flash player version, Coreboot the Free BIOS, a free telephoning programme similar to Skype and a free programme google Earth alike)