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O software libre na sociedade actual

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Estado actual do software libre

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O software libre na sociedade actual

  1. 1. O software libre na sociedade actual Dr. José Ramón Méndez
  2. 2. A continuación.... Software privativo • Software libre • O software libre e empresas • O software libre e particulares • Productos de éxito do software libre •
  3. 3. ¿Software libre? ¿Linux? • ¿gratuito? • ¿Fredom or Free Beer? • ¿Non se pode facer negocio? • ¿Sen soporte? • ¿Pouca calidade? •
  4. 4. Software Privativo vs. Software Libre • Privativo e libre son formas de comercializar un producto: O Software • Privativo (semellante ó aluguer dunha vivenda) – O emprego do sofware concíbese como un dereito de uso – A empresa desenvolvedora mantén os dereitos de propiedade do software • Libre (semellante á adquisición dunha vivenda) – O software enténdese como un ben que se vende como tal – Garantense os dereitos do usuario final: dereito a empregalo, a ver e estudar o código, a modificalo, a deixarllo a terceiras persoas
  5. 5. Software privativo • Licencia de explotación dun software: EULA (End User License Agreement) ou CLUF (Contrato de Licencia de Usuario Final) – Uso dunhas funcionalidades limitadas dun software (número de conexións ou usuarios simultáneos) – Uso durante un período de tempo limitado – Normalmente non hai garantias de funcionamento correcto do producto – Servizo de atención ó usuario final – Non se pode solicitar modificacións sobre o Software
  6. 6. Un exemplo de licencia de software privativo: Windows XP Home Edition – O software só se pode instalar nun ordenador. Se hai que instalalo nun segundo ordenador debe ser desinstalado previamente do primeiro – Non está permitido compartir arquivos ou impresoras con máis de 5 ordenadores. Para facelo hai que mercar a versión Profesional – Vostede acepta que en cualqueira momento, por petición dos proveedores de contido, Microsoft pode deshabilitar certas características do seu producto como a habilidade para reproducir a sua música ou películas
  7. 7. Un exemplo de licencia de software privativo: Windows XP Home Edition – Vostede acepta que Microsoft pode automáticamente, e sen consentimento, poñer software novo no seu ordenador – Vostede non pode alugar, arrendar ou prestar o seu ordenador con Windows XP Home Edition nel ou facer calqueira uso comercial – Microsoft asegura que Windows XP Home funcionará correctamente durante os primeiros 90 días. Non se asegura que Windows XP ou cualqueira “Service Pack” funcione correctamente transcurrido ese tempo – Microsoft non está obligada a nada aínda que rompa os términos deste acordo.
  8. 8. Un exemplo de licencia de software privativo: Windows XP Home Edition – Si Windows XP Home causa algún tipo de dano, Microsoft pode escoller entre devolverlle os cartos que pagou por Windows XP Home ou sustituirlle Windows XP Home. Nestos casos, vostede é responsable dos gastos (por exemplo os gastos de envío). E engade: Microsoft nunca terá que pagarlle máis que o prezo orixinal que pagou por Windows XP Home. – Microsoft non se responsabiliza de calqueira dano causado por virus, incluso si os virus son o resultado de problemas de seguridade en Windows XP Home. – Windows XP Home distribúese tal e como é, con tódolos seus erros
  9. 9. Software Libre • Adquisición dun software para o seu emprego – Non hai limitación algunha sobre o emprego do software – Pódese personalizar libremente o software – Asegura a libre competencia das empresas de desenvolvemento de software, mellorando os prezos para os usuarios finais – Normalmente, tampouco hai garantías de funcionamento – A empresa desenvolvedora non proporciona soporte – A día de hoxe hai moitas aplicacións de software libre gratuitas
  10. 10. Software privativo • Deficiencias do software privativo – ¿Por que o software privativo coloca limitacións no software? – ¿Por que a miña empresa non pode personalizar o software privativo para adaptalo ó seu proceso de negocio? – ¿Por que non hai garantías de funcionamento do software privativo?
  11. 11. Problemas de solucións privativas no eido das Empresas • Altos custos non asumibles polas PEMES • Quedarse “Colgado” – A empresa productora de software pecha – A empresa productora do software acorda unha listaxe de prezos prohibitiva – A empresa productora abandona o producto de software – Dificultades para portar os datos a calqueira outra solución • A personalización do software resulta cara, difícil e moitas veces imposible
  12. 12. Ventaxas do software libre • Brinda a oportunidade de empregar software ás PEMES • Medianas empresas: Personalización de aplicacións baseadas no software libre – Solucións para comercio electrónico: OSCommerce – Solucións de contabilidade / planificación empresarial: FacturaLUX, OpenBravo – Solucións para portais corporativos: Joomla, TYPO3, Drupal • Se a empresa que distribúe un software libre pecha, calqueira outra pode continua-lo desenvolvemento do software
  13. 13. Software libre e particulares • Sociedade da información: Internet para todos • Inviabilidade económica para moitas familias – Microsoft Windows: 200-400 € – MAC OS X: 90 € • Internet/WWW chegará aquelas familias con máis dificultades económicas – GNU/Linux – Mozilla Firefox & Mozilla Thunderbird – OpenOffice: Suite Ofimática de calidade para todos
  14. 14. Software libre de éxito • Firefox Navegador de éxito – Alta fiabilidade – Alta eficiencia – Alta seguridade – Distribución gratuita –
  15. 15. OpenOffice Open Office Writer • Open Office Impress • Open Office Calc • Open Office Database • Open Office Draw •
  16. 16. Java Technology • Java – Linguaxe de programación – Ferramentas básicas para o desenvolvemento de software • Sun Microsystems, 6 de novembro de 2006 • Eclipse
  17. 17. Sistemas operativos Linux • Darwin • BSD • Plan 9 • React OS • HURD •
  18. 18. Distros GNU/Linux • Distros GNU/Linux
  19. 19. KDE Desktop • KDE (K Desktop Environment): • Constrúese principalmente co esforzo de voluntarios • Actualmente encóntrase na versión 3.5.5. A versión 4, está prevista para outubro do 2007 • A mascota do proxecto é un pequeno dragón, Konqui. – http://www.kde.org
  20. 20. Aplicacións KDE de calidade Amarok – reproductor de audio • K3B – software de grabación de cds • Digikam – Gestor de fotos • Kdevelop – Entorno de desenvolvemento de software • YaKuake •
  21. 21. GNome Desktop Constrúese co esforzo dos voluntarios • Baseado no API gráfico é GTK+ (Gimp ToolKit) • Actualmente a súa versión máis avanzada é a 2.18. • O logo do proxecto é un pé • – http://gnome.org
  22. 22. OUSLI: OUrense Software LIbre • Asociación ourensana para o desenvolvemento do software libre • Grupo de usuarios de Linux de Galicia (LUG, Linux Users Group) • Actividades – Traducción ó galego de software libre – Organización de xornadas sobre o desenvolvemento de software libre – Difusión de información sobre o software libre – Loita polo recoñecemento do software libre como actividade investigadora das universidades
  23. 23. O software libre na sociedade actual Dr. José Ramón Méndez Grazas pola súa atención

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