View source for 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 <u>or</u> UUID'''
* find a filesystem by label <u>and</u> 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

<u>'''D'''</u> <u>'''C'''</u> <u>'''E'''</u> <u>'''A'''</u> <u>'''B'''</u>


=== 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 '''