Review Questions for Test 1

What command will list all partitions on all hard drives?

• fdisk
• fdisk -l
• partprobe
• FDISK

what is wrong with this statement?

dd if=/dev/zero of=/tmp/mytest.img bs-1024 count-10000

• wrong of file type
• cannot have zeroes in an img file
• typing error
• if and of in the wrong order

Which directory usually contains the GNU/Linux boot files?

• /
• /root
• /boot
• /home directory of user who is booting the system

The user password are stored in which file?

• /etc/passwd
• /etc/shadow
• /etc/password
• none of above

Grub is a boot loader. It is used to load Linux kernel & driver module files in to memory by reading the configuration file. The name and path of GRUB configuration file is

• /etc/grub/grub.conf
• /root/grub.conf
• /etc/grub.conf
• /boot/grub.conf

resize2fs command is used ?

• to enlarge or shrink the size of partitions on harddisks
• to change the physical volumes (PVs)
• to enlarge or shrink the size of Logical Volumes (LVM)
• to enlarge or shrink the ext2 and ext3 file systems

The Name and path of the linux kernel is

• /boot/vmlinux.2.6.25.14-108.fc9.i686
• /boot/initrd.2.6.25.14-108.fc9.i686
• /boot/Linus.torvalds.2.6.25.14-108.fc9.i686
• /boot/vmlinuz-2.6.26.3-29.fc9.i686

Linux need at least two minimum partitions for installation named

• /root & swap
• /root & /boot
• / & swap
• /root & /red knot

File system must requires a container. The container may be

• Disk Partition
• File
• Logical volume (LVM)
• All of above

To mount a new file system permanently, so that it is available automatically across the rebooting,a entry is required to made in a file, The name of the file is

• /etc/inittab
• /etc/fstab
• /boot/grub/grub.conf
• /etc/automounttab

What is the purpose of the sudo command?

• to allow a permitted user to execute ftp
• to start the Suse linux kernel
• to allow a permitted user to execute a command as the superuser or another user
• to switch to the root user

What command would you use to set the maximum mount count of the file system to 100?

• tune2fs /dev/sda7 -c 100
• tune2fs /dev/sda2 -m 100
• resize2fs /dev/sda3 -c 100
• resize2fs /dev/sda5 -m 100

There is one line "#chkconfig: 3 92 08" in your script file. Its name is carpal and it is saved in /etc/init.d/ directory. When you execute the command "chkconfig --add carpal", What will happen?

• to produce links: "/etc/rc5.d/S92carpal" and "/etc/rc3.d/K08carpal"
• to produce links: "/etc/rc5.d/S92carpal" and "/etc/rc0.d/K08carpal"
• to produce links: "/etc/rc3.d/S92carpal" and "/etc/rc0.d/S08carpal"
• to produce links: "/etc/rc3.d/S92carpal" and "/etc/rc0.d/K08carpal"

Different Linux distributions uses different tools to install a package. Which one of following statements is true ?

• Ubuntu uses apt-get, Opensuse uses zypper and Fedora uses yum or pkcon
• Ubuntu uses pkcon or zypper, Opensuse uses yum and Fedora apt-get
• Ubuntu uses zypper, Opensuse uses apt-get and Fedora uses yum or pkcon
• Ubuntu uses yum, Opensuse uses pkcon and Fedora uses yum or apt-get

How to unpack the file "linux-2.6.26.tar.bz2"?

• tar cvjf linux-2.6.26.tar.bz2
• tar xvjf linux-2.6.26.tar.bz2
• tar tvjf linux-2.6.26.tar.bz2
• gunzip linux-2.6.26.tar.bz2|tar cvf -

How to compile kernel and modules?

• make oldconfig
• make
• make modules
• rpmdev-setuptree
• make modules_install

How to create a initial ram disk image?

• initrd (hd1,0)/initrd-2.6.26.5-45.fc9.i686.img
• initrd /initrd-2.6.26.5-45.fc9.i686.img
• mkinitrd -k vmlinuz-2.6.26 -i initrd-2.6.26
• mkinitrd (hd1,0)/initrd-2.6.26.5-45.fc9.i686.img

What is a daemon?

• Just a process to stop another program
• A software process that runs in the background and provides the service to client upon request
• A process that runs one time. Once done it will stop
• A process that prevents multiple occurances from running at one time

What's the default run-level in Fedora ?

• 1
• 2
• 3
• 4
• 5
• 7

Which command can reboot the system?

• init 0
• init 2
• init 4
• init 6
• telinit 6
• reboot

Circle one, which is true for findfs command ?

• find a filesystem by label or UUID
• find a filesystem by label and UUID
• find a filesystem by UUID
• none of the above

Arrange them in proper order, going first process to last process

• A) kernel loads the needed kernel modules
• B) init program
• C) GRUB
• D) ROM BIOS loads loader from MBR
• E) loader finds and loads linux kernel and initial ram disk

D C E A B

The file system structure in GNU/Linux is like a inverted tree. The top of this inverted tree is started from

• /root
• /
• /etc/root
• /boot

option two (2) / is correct

What is the command to label as "videogames" the filesystem in the device /dev/bdisk ?

• resize2fs /dev/bdisk videogames
• fdisk /dev/bdisk videogames
• e2label /dev/bdisk "videogames"
• resize2fs /dev/bdisk videogames
• e2label /dev/bdisk videogames

What is the device represented in the file grub.conf as (hd0,0) ?

• /dev/hda3
• /dev/sdc2
• /dev/hda2
• /dev/sda1
• /dev/sdd2
• /dev/sda2
• /dev/sdb1

What is the device represented in the file grub.conf as (hd1,0) ?

• /dev/hda3
• /dev/sdd2
• /dev/hda2
• /dev/sdc2
• /dev/sda1
• /dev/sda2
• /dev/sdb1

What is the device represented in the file grub.conf as (hd1,1) ?

• /dev/sdb2
• /dev/hda2
• /dev/sdd2
• /dev/sda1
• /dev/sdc2
• /dev/sda2
• /dev/sdb1

What is the device represented in the file grub.conf as (hd0,2) ?

• /dev/hda3
• /dev/hda2
• /dev/sda2
• /dev/sda3
• /dev/sdb1
• /dev/sdc2
• /dev/sdd2

pvcreate command is used for ?

• Initialize a disk or partition for use by LVM
• Creating a LVM
• Scanning a LVM
• none of above

_____ command is used to scan all the disks for volume groups and rebuild caches

• vgchange
• lvcreate
• vgscan
• lvm

When is a good time to use the "partprobe" command ?

• After creating, deleting or modifying partitions
• After reboot the system
• Sometimes
• In a sunny day

What does the command "partprobe" do ?

• Query a database
• Query the kernel version
• Look for modifications in the partitions of the system and then if something was modified, load the new informations in to the kernel
• Look for new partitions

Which command can be used to fill your hard drive with 0s ?

• dd if=/dev/zero of=/dev/sda bs=1M
• ff
• e2fs
• fdisk

Which linux command can be used to make a image ?

• dd
• mkisofs
• dd if=/dev/random of=/dev/device
• mkimage

What does the command losetup do ?

• It associates a file to a device (Ex:losetup /dev/loop0 fakedisk)
• nothing
• reboot the computer
• It erases the setup (lose setup)

The Operating system on our computers, we usually call it Linux. But Linux is actually a name for

• Operating System
• Kernel
• boot loader
• none of above

The easiest way to recover the root password for GNU/LINUX in case we lost it, is

• open the /etc/passwd file in vi editor & look for root password
• boot the computer form CD/DVD in run level 5 and run the passwd command
• boot the computer with MS-Linux Xp/Vista Live CD then click Start->Control Panel->Change MSlinux Password option.
• boot the system in single user mode & change the root password with /usr/bin/passwd command