Mod 8 Day 3 Flashcards
(42 cards)
Conventional default file systems used by Common OS’s
Linux
Solaris
Common network-based file systems
NFS Network file system
SMB server message block
Contains the basic Tools and utilities sufficient to keep the system going. Included are /boot /bin /sbin /etc /dev and /tmp
Root file system
Provides the kernel with a location to move processes out of memory when the system is under a heavy memory load (swapping)
Swap file system
On a Linux system this views the disks physical partitioning scheme
fdisk -l
Command for both Solaris and Linux that reveals all nix file systems their DISK SPACE usage and they’re logical mount points in blocks
df -k
An Ext ____________ is located 1024 bytes from the start of the file system, is 1024 bytes in size and contains the following information:
Total number of inodes
Total number of blocks
Block size
Number of blocks per block group
Number of inodes per block group
Number of reserved blocks before the first block group
Superblock
This command is for both Solaris and Linux, and it prints the super block and block group information for the file system
dumpe2fs
The _______ __________ _______ comes immediately after the Super block. This table describes each block groups layout.
Starting block address of the block bitmap
Starting block address of the inode bitmap
Starting block address of inode table
Number of unallocated blocks in the group
Number of unallocated inodes in the group
Number of directories in the group
Unused bytes
Group descriptor table
The file system is organized into \_\_\_\_\_ \_\_\_\_\_\_\_ containing a super Block in a group descriptor table describing the block group layout. It contains the following: Super block Group descriptor table Block bitmap Inode bitmap Inode table Blocks containing file data
Block group
This is the basic file allocation unit for ExtX it is used to store file content, and it’s sizes are defined in the super block. These are a group of consecutive sectors and can be 1024 bytes, 2048 bytes, or 4096 bytes.
Block
The metadata for each file in directory is stored in a data structure called an ______, these contain information processes needed to access a file
Inodes
The allocation status of an inode is determined using the?
Inode btmap
The inode ______ __ ______ list the blocks on the disc where the data is stored
Table of contents
What three times stamps does the Ext3 system support?
Modification
Access
Change
This command Works in Linux and is used to view file or file system status to include timestamps
Stat
This command is used in both Linux and Solaris and creates an empty file and can also alter timestamps
The modification and Access times are changed with what to options
Touch
-m -a
This is a simple data structure containing filename and inode address where the files metadata can be found. It also contains a pointer to the next entry, and maps file name to directory
Directory entry
A pointer to a files inode, thought of as the same as the original
Hard link
A file containing a path name of another file, it’s like a pointer to the files NAME and does not increase.
Symbolic link
What device name is used to access disk devices when performing any of the following:
Add a new disk to the system
Move a disc from system to system
Backups
Mount or access a file system on a local disk
Repair a file system
Logical
This command with no options displays a list of mounted file systems with proper options and permissions it can map a logical device name to a file system.
Mount
What are your two key file types
Regular and special
What are your two categories in a regular file type
Text in binary
