Chapter 3 - Configuring Hardware Flashcards
what is firmware?
3-108
the lowest-level software that runs on a computer
the /proc file system refers to actual files or kernel data that is convenient?
3-114
kernel data that is convenient to represent
what is DMA?
3-116
direct memory addressing, its an alternative method of communication to I/O ports
name 2 types of disks that won’t appear in the main BIOS desk-detection screen
3-118
SCSI and SATA
what is the HAL Daemon?
3-120
hardware abstraction layer daemon, a user-space program that runs at all times and provides other user-space programs with information about available hardware
which command do you use to configure the pci devices?
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lspci
true/false: the lsmod command displays info about kernel modules and drivers that are compiled directly into the linux kernel
3-123
false. only the kernel modules
tell me the two programs for loading kernel modules and which one is preferred
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insmod and modprobe
modprobe
you want to look at the info on your usb devices. what command do you use?
3-127
lsusb
looking at hard disks, what does PATA stand for?
3-129
Parallel Advanced Technology Attachment
you are looking at the MBR partitioning scheme. explain it to me.
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first primary partition
second primary partition - has 1st and 2nd logical partitions
third primary partition
what is the command for backing up a MBR partition?
3-135
sfdisk -d /dev/sda > sda-backup.txt
what is the command for restoring the backup?
3-135
sfdisk -f /dev/sda
what is an alternative to partitions?
3-136
LVM, the logical volume management
what is the traditional tool for MBR disk partitioning?
3-140
fdisk
this utility works like the fdisk utility, but for a GPT-formatted hard drive
3-142
gdisk
what is the traditional Linux-native filesystem?
3-145
Ext2fs
what are the file systems for CD-ROMs and DVD-ROMs?
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ISO-9660 and UDF
you want to make a file system. what command do you use?
3-148
mkfs
two make swap space and activate it, what two commands do you use?
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mkswap
swapon
which program allows you to change file system parameters that are reported by dumpe2fs?
3-153
tune2fs
what is the UUID for?
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universally unique identifier, used to specify a file system to be mounted
you have a .journal file that is invisible. why is it invisible?
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because you added it to an unmounted file system
you want to check a file system. what command do you use?
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fsck
you have two options for mounting a file system. what are they?
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by label or by uuid