Module 4.3 Flashcards
In the context of a file system, a journal is an _________ containing a ______ which the file system ________________
system’s metadata.
In the context of a file system, a journal is an on-disk structure containing a kind
of log in which the file system stores what it is about to change in the file
system’s metadata.
A file system is an ________ __ ___ __ _____ on a storage device.
A file system is an organization of data and metadata on a storage device.
FAT Stands for?
FAT uses a table which ____________ about which areas belong to which files, are free or possibly unusable, and _____ each file is stored on the disk.
Max size – ____
Max file size – ______
Slow with large disks
File Allocation Table
FAT uses a table which centralizes the information about which areas belong
to which files, are free or possibly unusable, and where each file is stored on
the disk.
Max size – 2TB
Max file size – 4GB
NTFS Stands for?
Starting with Windows NT ____, NTFS is the default file system of the Windows
NT family
Max size – _____
Max file size – _____
New Technology File System
Starting with Windows NT 3.1, NTFS is the default file system of the Windows
NT family
Max size – 256TB
Max file size – 16TB
EXT Stands for?
The Extended File System, or ext, was implemented in April _____ as the first
file system created specifically for the ____ _____
ext could handle file systems up to ________ in size
Extended File System
The Extended File System, or ext, was implemented in April 1992 as the first
file system created specifically for the Linux kernel.
ext could handle file systems up to 2 gigabytes (GB) in size
There are other members in the extended file system family:
_____, the second extended file system.
______, the third extended file system.
_____, the fourth extended file system.
There are other members in the extended file system family:
ext2, the second extended file system.
ext3, the third extended file system.
ext4, the fourth extended file system
ext2 was initially designed by French software developer ______ _____
The _____ _________-_____ filesystem for Linux.
Ext2:
Solid, easily upgradeable, no _______
Max size – _____
Max file size – _____
ext2 was initially designed by French software developer Rémy Card.
The first commercial-grade filesystem for Linux.
Ext2:
Solid, easily upgradeable, no journal
Max size – 32TB
Max file size – 2TB
ext3 used to be the ______ file system for many popular Linux distributions.
Its main advantage over Ext2 is ________ - improves reliability and eliminates the need to check the file system after an _________ _________.
Very reliable journaled file system
Easily upgradeable from Ext2
Max size – ______
Max file size – ________
ext3 used to be the default file system for many popular Linux distributions.
Its main advantage over Ext2 is journaling - improves reliability and eliminates
the need to check the file system after an unclean shutdown.
Very reliable journaled file system
Easily upgradeable from Ext2
Max size – 32TB
Max file size – 2TB
Ext4 is the default file system for many Linux distributions including Debian and
Ubuntu.
maximum individual file size can be from ____ to ________
Overall maximum Ext4 file system size is __________.
1 PB = 1024 TB (terabyte)
Directory can contain a maximum of 64,000 subdirectories (as opposed to
32,000 in Ext3)
Ext4 is the default file system for many Linux distributions including Debian and
Ubuntu.
maximum individual file size can be from 16 GB to 16 TB.
Overall maximum Ext4 file system size is 1 EB (exabyte). 1 EB = 1024 PB
(petabyte) 1 PB = 1024 TB (terabyte)
Directory can contain a maximum of 64,000 subdirectories (as opposed to
32,000 in Ext3)
File Hierarchy Standard(FHS)
is maintained by __________
FHS is maintained by the Linux Foundation
FHS directories:
/
/bin
/boot
/dev
/etc
/home
/lib
/var
Partitioning is a way to divide a hard drive into _______ ____ ______
A partition acts as an independent drive and refers to a contiguous set of
blocks on the drive.
Each partition can have __ ____ _____
________
Partitioning is a way to divide a hard drive into many logical drives.
A partition acts as an independent drive and refers to a contiguous set of
blocks on the drive.
Each partition can have its own file system.
A sector has a fixed size (512 bytes)
regardless of where on the disk the sector
resides.
Dual Boot System:
It is possible to have more than ____ ____ on a physical disk.
Two popular boot manager programs are _____ and _____
It is possible to have more than one OS on a physical disk.
Two popular boot manager programs are LILO and GRUB
Sector 0 of the disk is called the _________________and is used to _____
the operating system.
When the computer is booted, the BIOS, reads and _____ ___ ______, locates
the active partition, reads in its first block, called the boot block and executes it.
Sector 0 of the disk is called the Master Boot Record (MBR) and is used to boot
the operating system.
When the computer is booted, the BIOS, reads and executes the MBR, locates
the active partition, reads in its first block, called the boot block and executes it.
Fragmentation is a term used in reference to having _______ on a disk.
Two types of fragmentation are Internal and External.
Fragmentation is a term used in reference to having “wholes” on a disk.
