{"id":21,"date":"2004-09-29T03:04:34","date_gmt":"2004-09-29T01:04:34","guid":{"rendered":"http:\/\/www.desmm.com\/?p=21"},"modified":"2004-09-29T03:04:34","modified_gmt":"2004-09-29T01:04:34","slug":"la-filosofia-open-source","status":"publish","type":"post","link":"https:\/\/www.desmm.com\/blog\/la-filosofia-open-source-21.html","title":{"rendered":"La filosofia Open Source"},"content":{"rendered":"<p>Il significato di Open Source risale alle origini di Unix. Nel 1969-75 i sorgenti creati dai &#8220;patiti del computer&#8221; erano liberi, cio\u00e8 ognuno poteva farne uso, utilizzandoli, modificandLinux oli. Questo perch\u00e8?&#8230;<!--more-->Perch\u00e8 Unix non era ancora commercializzato assieme all&#8217;assistenza,e gli utenti si scambiavano i sorgenti in modo da risolvere svariati problemi (in pratica io aiuto te, tu aiuti me).<br \/>\nNacque cos\u00ec una comunit\u00e0 di sviluppatori grandissima.<br \/>\nQuando per\u00f2 arrivarono gli anni 80 e l&#8217;informatica cominci\u00f2 a diffondersi in maniera massiccia, i creatori di programmi cercarono un modo per tutelare i propri software e i diritti su di esso.<br \/>\nAi programmi venne applicato il copyright.<br \/>\nCosa signific\u00f2 questo?<br \/>\nSignific\u00f2 che chi comprava un software non poteva pi\u00f9 modificarlo, ma solo usarlo cos\u00ec com&#8217;era.<br \/>\nQuesto limit\u00f2 anche la diffusione dei software perch\u00e8 mentre prima un programma si poteva usare su infinite macchine, adesso per infinite macchine ci sarebbero voluti infiniti software.<br \/>\nNacque cos\u00ec la Free Software Foundation di Richard Stallman che cominci\u00f2 un progetto di nome GNU, GNU is not Unix &#8211;> GNU non \u00e8 Unix (Unix era un marchio registrato).<br \/>\nLo scopo era creare un sistema operativo libero.<br \/>\nPer ottenere ci\u00f2 c&#8217;era bisogno di un elevato numero di programmatori, in quanto questo s.o. doveva fare tutto ci\u00f2 che un s.o. non libero faceva.<br \/>\nSi cominciarono a creare programmi liberi che col passare del tempo, diventarono sempre migliori, a volte anche dei programmi registrati.<br \/>\nMa a cosa port\u00f2 tutto questo?<br \/>\nAl fatto che alcune case produttrici di software coperto da copyright cominciarono a vendere copie modificate e registrate del software Open Source.<br \/>\nBisogn\u00f2 quindi ricorrere alla GNU Public License (Licenza Pubblica), licenza che garantisce che a un software nato libero non pu\u00f2 essere applicato nessun copyright.<br \/>\nQuindi chiunque poteva prendere un programma coperto da licenza pubblica e farci quello che voleva, bastava non modificare il tipo di licenza del software.<br \/>\nNel 1990 il sistema GNU era quasi completo, l&#8217;unica parte ancora mancante era il kernel.<br \/>\nFu grazie a Linus Torvald, che nel 1991 cre\u00f2 un kernel compatibile in tutto con Unix, che il progetto GNU pot\u00e8 avvalersi di un sistema operativo funzionante, libero e in molti casi molto migliore di altri s.o. protetti.<br \/>\nGNU pot\u00e8 avvalersi di LINUX!<br \/>\nNaturalmente combinarli fra loro fu un notevole lavoro.<br \/>\nE&#8217; grazie a linux se oggi possiamo utilizzare una versione del sistema GNU, chiamata GNU\/Linux per indicare la sua composizione come una combinazione del sistema GNU col kernel Linux.<br \/>\nUn grande risultato ottenuto con lo sforzo di migliaia di programmatori in tutto il mondo, che senza percepire alcun compenso, hanno fatto crescere l&#8217;Open Source tra il software protetto.<\/p>\n<p><em>Fonte: <a href=\"http:\/\/www.linux-zone.it\/opensource.php\">http:\/\/www.linux-zone.it\/opensource.php<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il significato di Open Source risale alle origini di Unix. Nel 1969-75 i sorgenti creati dai &#8220;patiti del computer&#8221; erano liberi, cio\u00e8 ognuno poteva farne uso, utilizzandoli, modificandLinux oli. Questo perch\u00e8?&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-21","post","type-post","status-publish","format-standard","hentry","category-archivio"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La filosofia Open Source &#8212; Design Multimedia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.desmm.com\/blog\/la-filosofia-open-source-21.html\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La filosofia Open Source &#8212; Design Multimedia\" \/>\n<meta property=\"og:description\" content=\"Il significato di Open Source risale alle origini di Unix. Nel 1969-75 i sorgenti creati dai &#8220;patiti del computer&#8221; erano liberi, cio\u00e8 ognuno poteva farne uso, utilizzandoli, modificandLinux oli. 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