inodes

inodes

1. An inode is a C structure that contains pointers to the blocks on disk that a file comprises as well as information about it

2. *an inode does not contain the name of a file. Instead each inode has a unique inode number

3. inicodes support three levels of directions including...

   • single indirection: points to an index block that consists of pointers to data blocks, it´s usually stored in an inode´s 11th address slot
   • double indirection: points to an index block containing pointers to other index blocks, wich in turn contain pointers to data blocks, it´s stored an 12th
   • triple indirection: points to index block that point to index blocks that point to index blocks that point to data blocks. It´s stored at 13th

4. chattr change the attributes of an inode. you identify the inode you want to modify by specifying a name that a user would use to access that inode