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CISA-1240 Linux > Workbook 3: Linux Filesystem Management > Flashcards

Workbook 3: Linux Filesystem Management Flashcards

1
Q

Every filesystem is tied to an

A

Existing directory (mount point)

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2
Q

In /etc/fstab, what is the third column for?

A

The filesystem to use

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3
Q

What block sizes does the mke2fs command choose by default?

A

1,000 or 4,000

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3
Q

What is the advantage of vfat over msdos

A

Allows long filenames

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3
Q

What command is used to initialize swap space

A

mkswap

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4
Q

What is the msdos filesystem

A

FAT filesystem used by DOS and Windows

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5
Q

A Linux filesystem requires everything in the directory tree to have

A

Dentry, Inode, Data

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6
Q

In /etc/fstab, what is the fifth column for?

A

Dump

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7
Q

What command is used to list partitions

A

fdisk -l

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8
Q

Where are primary partition properties recorded

A

MBR

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8
Q

What three filesystems are supported by Linux

A

ext2, ext3, ext4, msdos, vfat, nfs, smbfs, iso9660, proc

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9
Q

What is the purpose of the nfs file system?

A

A network filesystem to share files between linux and unix macines

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9
Q

What partition ID is used for swap space

A

82

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10
Q

What is the primary difference between the ext3 and ext2 filesystems?

A

Journaling

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10
Q

You realize that you’re an idiot and enabled swap on the wrong drive, how do you fix it?

A
  1. swapoff
  2. dont be an idiot, idiot.
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10
Q

What command is used for partitioning a disk

A

fdisk

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10
Q

What does ext4 uses instead of traditional blocks

A

Extents

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10
Q

Every filesystem has a

A

Root directory

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10
Q

What command is used to activate swap space

A

swapon

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11
Q

In /etc/fstab, what is the sixth column for?

A

What order to ‘fsck’ing check those disks in.

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12
Q

Why would you ever spend the amount of time required to directly specify the number of inodes when creating a filesystem?

A

When you will have a lot (like a lot) of small files

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12
Q

Which partition could function as the machine’s only filesystem

A

The root partition

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14
Q

What is the filesystem associated with compact disks?

A

iso9660

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15
Q

A Linux filesystem is a structure that organized

A

Raw data on a disk

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16
Is / a mount point?
Yep, mounted by the kernel during startup.
18
Give three equivalent command lines that initialize the /dev/hda6 partition with an ext2 filesystem.
1. mkfs.ext2 /dev/hda6 2. mke2fs /dev/hda6 3. mkfs -t ext2 /dev/hda6
18
You made yourself a fancy new partition that you want to use as swap space, what command do you use to turn on swap?
swapon
20
What is the partition ID for a Linux LVM?
8e
21
What command is used to mount a CD
mount -t iso9660 /dev/cdrom /mnt
22
What command is used to edit the partition table
fdisk /dev/sda
22
What command is used to unmount a filesystem
umount
24
What is the partition ID for a Linux Swap filesystem?
82
25
Where doe sthe proc filesystem reside
Inside the kernel
27
In /etc/fstab, what is the fourth column for?
Mount options - or the word "defaults"
28
What command would you use to set the volume name of /dev/hda1 to foo
e2label /dev/hda1 foo
29
What must be done to write partition table changes
Enter the w subcommand
31
How does Linux always begin counting the first logical partition?
Starting with 5. Even if all 4 primary partitions arent used.
32
What is the default RHEL6 filesystem
ext4
33
What two items does the MBR contain?
1. Bootloader 2. Partition Table
34
What does the dumpe2fs command do
Examines the features of a filesystem
34
Which partition is mounted first
Root partition
36
Give a command line that lists all known partitions on a disk.
fdisk -l
37
What type of filesystem is nfs
Network filesystem
38
Must a mount point be an already existing directory?
Yes.
40
What is the partiton ID for ext2 and ext3
83
41
What kind of filesystem is proc
Virtual
43
How large in the MBR?
512 bytes
45
You made changes with fdisk, and want to see them RIGHT FREAKIN NOW, how?
partprobe
46
Partitions are referred to using
Distinct device nodes
47
What is nfs used for
Sharing directories between Linux/Unix machines
48
What command is used to create an ext2 filesystem
mke2fs
49
What kind of partition is the extended partition
Primary partition
50
What is Linux’s native filesystem?
ext2
52
In /etc/fstab, what is the second column for?
The mount point
53
Root should check its privilege, it gets how much percent of a ext2 filesystem?
5%
54
In /etc/fstab, what is the first column for?
The device id to mount
55
When should you use the -i switch for mke2fs
When you know the average size of the files in the filesystem
57
The extended partition houses
Multiple logical partitions
58
What is the difference between ext2 and ext3
ext3 supports journaling
59
Why do you need swap space?
Because your raggidy-ass computer doesnt have enough RAM
60
What is iso9660 filesystem used for
read-only filesystem used by CDs
62
What numbers do primary partitions use
1 to 4
63
How does the Linux kernel refer to the 7th partition on the drive /dev/sdc?
/dev/sdc7
64
What are the two types of disk partitions
Primary and extended
65
What is smbfs used for
Sharing directories between Linux/Unix and Windows machines
66
What command is used to deactivate swap space
swapoff
67
When should you use the -N switch for mke2fs
When you know the maximum number of files it will contain

CISA-1240 Linux (4 decks)

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