Chapter 3 - Configuring Hardware Flashcards

1
Q

what is firmware?

3-108

A

the lowest-level software that runs on a computer

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2
Q

the /proc file system refers to actual files or kernel data that is convenient?

3-114

A

kernel data that is convenient to represent

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3
Q

what is DMA?

3-116

A

direct memory addressing, its an alternative method of communication to I/O ports

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4
Q

name 2 types of disks that won’t appear in the main BIOS desk-detection screen

3-118

A

SCSI and SATA

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5
Q

what is the HAL Daemon?

3-120

A

hardware abstraction layer daemon, a user-space program that runs at all times and provides other user-space programs with information about available hardware

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6
Q

which command do you use to configure the pci devices?

3-121

A

lspci

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7
Q

true/false: the lsmod command displays info about kernel modules and drivers that are compiled directly into the linux kernel

3-123

A

false. only the kernel modules

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8
Q

tell me the two programs for loading kernel modules and which one is preferred

3-124

A

insmod and modprobe

modprobe

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9
Q

you want to look at the info on your usb devices. what command do you use?

3-127

A

lsusb

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10
Q

looking at hard disks, what does PATA stand for?

3-129

A

Parallel Advanced Technology Attachment

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11
Q

you are looking at the MBR partitioning scheme. explain it to me.

3-134

A

first primary partition
second primary partition - has 1st and 2nd logical partitions
third primary partition

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12
Q

what is the command for backing up a MBR partition?

3-135

A

sfdisk -d /dev/sda > sda-backup.txt

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13
Q

what is the command for restoring the backup?

3-135

A

sfdisk -f /dev/sda

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14
Q

what is an alternative to partitions?

3-136

A

LVM, the logical volume management

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15
Q

what is the traditional tool for MBR disk partitioning?

3-140

A

fdisk

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16
Q

this utility works like the fdisk utility, but for a GPT-formatted hard drive

3-142

A

gdisk

17
Q

what is the traditional Linux-native filesystem?

3-145

A

Ext2fs

18
Q

what are the file systems for CD-ROMs and DVD-ROMs?

3-147

A

ISO-9660 and UDF

19
Q

you want to make a file system. what command do you use?

3-148

A

mkfs

20
Q

two make swap space and activate it, what two commands do you use?

3-151

A

mkswap

swapon

21
Q

which program allows you to change file system parameters that are reported by dumpe2fs?

3-153

A

tune2fs

22
Q

what is the UUID for?

3-154

A

universally unique identifier, used to specify a file system to be mounted

23
Q

you have a .journal file that is invisible. why is it invisible?

3-156

A

because you added it to an unmounted file system

24
Q

you want to check a file system. what command do you use?

3-157

A

fsck

25
Q

you have two options for mounting a file system. what are they?

3-162

A

by label or by uuid