'Inode number' presentation slideshows

node

node. IPv6 address Solicited-node multicast address.

4.89k views • 486 slides

UNIX FILES

UNIX FILES. FILE TYPES. Regular file Directory file Fifo file Character device file Block device file. Regular file. It may be text or binary file Both the files are executable provided execution rights are set They can be read or written by users with

1.19k views • 119 slides

COT 4600 Operating Systems Fall 2009

COT 4600 Operating Systems Fall 2009. Dan C. Marinescu Office: HEC 439 B Office hours: Tu-Th 3:00-4:00 PM. Lecture 9. Last time: Case study: the Unix file system Today: Modular sharing Metadata and Name Overloading Addresses Next Time: User-friendly names Lifetime of names

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Lecture 12 Foundations for Unix Investigations

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Files in Unix

Files in Unix. From the System's View. File Handling Data Structures. Process Table File Table V-Node Table inodes. Process Table. Process A. File Descriptor Flags. File Table Entry. Process B. Pointer to File Table Entry. Process C. Process D. File Table. File 1.

397 views • 26 slides

Coding ls

Coding ls. CNS 3060. This example is taken from chapter 3 in the Molay book. A directory is just a file. It contains the names of directories and files. Each entry in the file represents a directory or a file A directory is never empty. It always contains

406 views • 25 slides

40. File system Implementation. Operating System: Three Easy Pieces

40. File system Implementation. Operating System: Three Easy Pieces. The Way To Think. There are two different aspects to implement file system D ata structures What types of on-disk structures are utilized by the file system to organize its data and metadata? Access methods

660 views • 24 slides

COT 4600 Operating Systems Fall 2009

COT 4600 Operating Systems Fall 2009. Dan C. Marinescu Office: HEC 439 B Office hours: Tu-Th 3:00-4:00 PM. Lecture 8. Last time: Naming in computing systems Today: Case study: the UNIX files system Next Time: Modular sharing Metadata and Name Overloading Addresses. 2. 2.

342 views • 22 slides

Reducing Fsck time using divide and conquer approach

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Linux FS layers

Linux FS layers. User apps. VFS. ? Common FS interface. cse451fs. ext2. ext3. vfat. Buffer cache. ? $ for disk blocks. Disk drivers. File systems in Linux. Layered on top of a block device Device provides a big array of blocks Blocks are cached in the buffer cache

356 views • 16 slides