CSCI-25 Linux 1 Final Exam
df
The _____ command will display how much space a filesystem has free?
-qa
What are the correct options for the rpm command to display a list of all installed packages?
Typically stored in ROM Tests the components upon startup. Change settings to affect the use of external devices
What are three characteristics of firmware
grub-md5-crypt
What command can be used to create an encrypted password that can be used with the password directive in GRUB Legacy:
ln /tmp/test /tmp/data
What command will create a hard link to /tmp/test named /tmp/data
The number of inodes
What determines how many files can be stored in a filesystem?
include ld.so.conf.d/*.conf
What is in the ldconfig configuration file by default?
16 EiB
What is the maximum memory that a 64 bit processor can theoretically use?
It should only be executed on unmounted filesystems
What is true about the fsck command?
-u
What option to the fdisk command is used to utilize sector unit sizes?
shutdown -r & reboot
What two commands can be used to reboot the system?
Dual boot system
A system that contains Linux as well as a Microsoft Windows operating system is called a:
t
After running fdisk -cu /dev/sdb, what fdisk command will allow you to change a partition type?
n
After running fdisk -cu /dev/sdb, what fdisk command will allow you to create a new partition?
d
After running fdisk -cu /dev/sdb, what fdisk command will allow you to delete a partition?
vi
By default, the edquota command will use which editor?
timeout=
In GRUB Legacy, the _____ directive indicates how long to wait before automatically booting the default operating system.
/home
In what directory are you most likely to find user's home directories?
/opt
In which directory are you most likely to find software from third-party publishers?
False
Interrupts cannot be shared between devices. True or False?
klog, syslogd, rsyslogd
List the three daemon used for logging
inode
Missing files don't have their original file names, instead they are named with their _____ number?
DEFAULT_RUNLEVEL
On a Ubuntu system, what variable defines the default runlevel in the /etc/init/rc-sysinit.conf file?
The ramdisk & The kernel
The bootloader (GRUB/LILO) loads what two components into memory?
The dump level
The fifth field in the /etc/fstab file is used to specify:
The device to mount
The first field in the /etc/fstab file is used to specify:
init
The first process that the kernel launches is called the _____ process.
The firmware (BIOS/UEFI) stage
The first stage of the boot process is:
The init phase
The fourth stage of the boot process is:
Determined when the filesystem is created
The number of inodes in a filesystem is:
/boot/grub2/grub.cfg
The primary configuration file for the GRUB 2 on a Fedora system is _____.
aquota.user, aquota.group
The quotacheck command creates databases with which names?
Extract files from a ".rpm" file & List the content of a ".rpm" file
The rpm2cpio command can be used to:
The fsck order
The sixth field in the /etc/fstab file is used to specify:
Programs use a more consistent base of code & Programs can be smaller
These two are benefits of a shared library:
swapon
To activate a swap space that has been initialized, you can execute:
--md5
To use an encrypted password in the GRUB Legacy configuration file, use the _____ option to the password directive.
To query the package file, you have to add the -p option. You must use the full filename when querying the package.
What two differences are there between querying an installed RPM and an RPM package file with the rpm command
87589
What value represents the inode number in the following output of the ls -li command: 87589 -rw-r--r--. 2 root root 83 Mar 4 22:45 myhosts
The dynamic linker
What will find and load shared libraries when a program is executed?
UEFI
Which bootloader includes the Secure Boot feature?
ldd
Which command is used to display the shared libraries of a dynamically linked executable?
chkconfig
Which command is used to view the services that are set to start or stop automatically?
dpkg -l
Which command may be used to get a list of the installed Debian packages?
rpm -q --scripts
Which command shows the scripts that may be part of a RPM package?
apt-get purge
Which command will remove all files that belong to a Debian package?
apt-cache depends
Which command will show the dependencies of a Debian package?
rpm -qpR
Which command will show the dependencies of an RPM package?
apt-get update
Which command will update the list of available packages for APT?
/
Which directory is the root file system mounted on?
/var
Which directory structure has directories which may have heavy activity for services like mail, ftp, httpd and printing?
LD_LIBRARY_PATH
Which environment variable can a user set, that will affect where shared libraries can be located and loaded?
ro
Which mount option mounts a filesystem allowing reading only?
mount -o remount
Which mount option will remount a currently mounted filesystem?
-nn
Which option of the lspci command would you use to troubleshoot a network interface card?
-h
Which option to the df command displays the size of a filesystem in "human readable" format?
-h
Which option to the dumpe2fs command will have the command display only superblock information?
-t
Which option to the fsck command will allow you to specify the filesystem type?
-n
Which option to the fsck command will answer "no" to all queries?
-y
Which option to the fsck command will answer "yes" to all queries?
-m
Which option to the tune2fs command will change the space reserved for system use?
IO Ports, IO Memory, Interrupts, and DMA Channels
Which resources are used by devices to communicate with the system?
0
Which runlevel number defines halting the system?
4
Which runlevel number is defined as "user-definable"?
dpkg -s apt-cache show
Which two commands will show detailed information about a Debian package?
soft
Which type of link can be made to a file on another filesystem, hard or soft?
2
Which value represents the hard link count in the following output of the ls -li command: 87589 -rw-r--r--. 2 root root 83 Mar 4 22:45 myhosts
df
You can display current filesystem space usage with the _____ command.
quotacheck
command is used to create or update the quota database files
ln -s /tmp/test /tmp/data
the command to create a soft link to /tmp/test named /tmp/data