10
janvier 2011

INSIA - Technologies UNIX : Cours N°2

Rédigé par Matthieu CERDA   8 commentaires   Mis à jour le  10/01/2011

Et c'est parti pour la seconde partie du cours de technologies UNIX !

Le cours commence par une introduction au fonctionnement des disques durs : HDD

On se porte ensuite sur l'étude des systèmes de fichiers de type UNIX, il faut donc définir les structures de base :

Un disque dur possède, dans le cas d'une table de type MBR :

  • Un MBR composé du code exécutable de boot ( Par exemple GRUB ou NTLDR )

  • Une table des partitions

  • Des partitions


Voici les structures de base d'un FS de type UNIX :

  • Table des i-nodes


Voici les types d'i-node utilisables :

  • - : fichier standard

  • d : répertoire

  • s : lien symbolique

  • b : périphérique de type block

  • c : périphérique de type char

  • p : pipe nommé (créé par exemple avec mknod)

  • s : socket nommé


Ainsi que des attributs :

  • UID

  • GID

  • Permissions : UGO - RWX

  • Bits spéciaux : SUID,SGID, Sticky


Voici un article résumant la partie du cours sur les structures des FS : i-node

Classé dans : INSIA Mots clés : aucun

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