{"id":390,"date":"2022-05-09T17:47:49","date_gmt":"2022-05-09T15:47:49","guid":{"rendered":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/?p=390"},"modified":"2022-05-10T11:54:52","modified_gmt":"2022-05-10T09:54:52","slug":"systemes-dexploitation","status":"publish","type":"post","link":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/2022\/05\/09\/systemes-dexploitation\/","title":{"rendered":"Syst\u00e8mes d&rsquo;exploitation"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"alignright is-resized\"><img loading=\"lazy\" src=\"http:\/\/www-ens.iro.umontreal.ca\/~gottif\/bdeb\/infc32\/c1_fichiers\/image042.jpg\" alt=\"Les syst\u00e8mes d'exploitation et leur noyau (kernel)\" width=\"279\" height=\"253\" \/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/www.formatux.fr\/formatux-fondamentaux\/module-010-presentation\/_images\/0101-linux-presentation-os.png\" alt=\"Introduction aux syst\u00e8mes d`exploitation des ordinateurs Syst\u00e8me\" \/><\/figure>\n\n\n<p>Un syst\u00e8me d&rsquo;exploitation, ou Operating System (OS), est un ensemble de programmes charg\u00e9 d&rsquo;\u00e9tablir une relation entre les diff\u00e9rentes ressources mat\u00e9rielles, les applications et l&rsquo;utilisateur.<\/p>\n<p>Il a plusieurs missions: il g\u00e8re le processeur et la m\u00e9moire vive, optimise l&rsquo;ex\u00e9cution des applications en leur attribuant les ressources n\u00e9cessaires, fournit un certain nombre d&rsquo;informations sur le bon fonctionnement de l&rsquo;ordinateur, etc. Il permet l&rsquo;utilisation de p\u00e9riph\u00e9riques dans les meilleures conditions et prot\u00e8ge l&rsquo;acc\u00e8s aux ressources.<\/p>\n<p>Il est compos\u00e9 d&rsquo;un noyau (kernel),d&rsquo;un interpr\u00e9teur de commande (shell) et d&rsquo;un syst\u00e8me de fichiers (file system).<\/p>\n<p>Les syst\u00e8mes d&rsquo;exploitation les plus connus sont Windows, MacOS, Linux et Android.<\/p>\n<p>Une console est <span class=\"ILfuVd\"><span class=\"hgKElc\">un p\u00e9riph\u00e9rique (ou terminal) d&rsquo;un ordinateur reli\u00e9 \u00e0 l&rsquo;unit\u00e9 centrale. Il permet d&rsquo;entrer directement des commandes \u00e0 l&rsquo;ordinateur.<\/span><\/span><\/p>\n\n\n<figure class=\"wp-block-image is-resized\"><img loading=\"lazy\" src=\"https:\/\/www.astuces-aide-informatique.info\/wp-content\/uploads\/2016\/03\/systemes-exploitation.jpg\" alt=\"Syst\u00e8me d'exploitation : d\u00e9finition et pr\u00e9sentation des principaux OS\" width=\"431\" height=\"323\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un syst\u00e8me d&rsquo;exploitation, ou Operating System (OS), est un ensemble de programmes charg\u00e9 d&rsquo;\u00e9tablir une relation entre les diff\u00e9rentes ressources mat\u00e9rielles, les applications et l&rsquo;utilisateur. Il a plusieurs missions: il g\u00e8re le processeur et la m\u00e9moire vive, optimise l&rsquo;ex\u00e9cution des applications en leur attribuant les ressources n\u00e9cessaires, fournit un certain nombre d&rsquo;informations sur le bon [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":418,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[],"_links":{"self":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/posts\/390"}],"collection":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/comments?post=390"}],"version-history":[{"count":5,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/posts\/390\/revisions"}],"predecessor-version":[{"id":405,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/posts\/390\/revisions\/405"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/media\/418"}],"wp:attachment":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/media?parent=390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/categories?post=390"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/tags?post=390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}