Linux 2.3
Linux Knowledge Challenge
Test your understanding of Linux with our comprehensive quiz designed for enthusiasts and professionals alike. Whether you’re preparing for a certification, brushing up on your skills, or seeking to expand your knowledge, this quiz offers a challenging yet engaging experience.
- 42 thought-provoking questions
- Multiple choice and checkbox formats
- Improve your Linux expertise
In Linuz, the core component of the GUI is known as:
GNOMe
KDE
X Windows
Red Hat
The iptables software on Linux is an example of what kind of software?
Routing
Anti-virus
Firewall
Proxy
What piece of software tells the operating system how to use a specific hardware device
Graphical user interface
System service
Device driver
User interface
What service provides a method for efficient transfer of files over the internet?
FTP
HTML
SMTP
Telnet
What software type is distrusted free of charge, but the source is not available?
Open source software
Shareware
Closed source software
Freeware
When viewing the version number for a Linux kernel, what number indicates the stability of the kernel?
Major number
Revision number
Minor number
Production kernel number
The command uname is related to directories and files
True
False
After a shell is no longer needed, what command can e given to exit the shell?
Exit
Stop
Reset
Quit
After logging into a terminal, a user will receive an interface known as which option?
Processor
User interface
Swp memory
Shell
Select the utility below that will start and perform a thorough check of RAM for hardware errors when run
Memcheck68
Memtest86
Fixram
Fsck
Under the root directory in Linux, which directory contains system commands and utilities?
/opt
/var
/boot
/usr
Which Linux command can be utilized to display your current login name?
Who
Whoami
Id
W
To display a text file in reverse order, what command should be used?
Cat
Tac
Tee
Sed
What command can be issued to confirm which directory you are in at a command line prompt?
Dir
Pwd
Whereami
Ld
When using the vi text editor, which of the following keys, when in command mode, will change to inset mode and place the cursor at the end of the current line?
I
A
I
A
If a hard link is created to a file and then the original file is deleted, which of the following is true?
Both the original file and the hard link are removed
An error message will be displayed preventing the deletion of the original file
The original file will be removed while the hard link remains, though the content will not be accessible
The original file will be removed while the hard link remains usable to access the contents of the file
What arugment can be used with the chmod command to add read permission and remove write permission for a group on a file?
U+r+w
G-r+w
G+r-w
O+r-w
Which of the following are valid permissions for a directory where the command chmod 1777 has been used to set the permissions on it?
Drwxrwxrwt
Srwxrwxrwx
Trwxrwxrwx
Drwxrwxrw-
Which of the following commands will delete a directory and all of the files contained within it?
Rm olddir
Rmdir olddir
Rm -rf olddir
Rmdir -rf olddir
Which of the following options will change the ownership of files and directories recursively within a directory?
-r
-R
--recursive
--follow
What command can be used to check different kinds of filesystems on Linux for errors?
Chkdsk
Fs_check
Errorchk
Fsck
Which of the following can be used to mount a filesystem?
A device path such as /dev/sdb2
A filesystem UUID
A filesystem label
A filesystem nickname configured in /etc/mtab
Which of the following commands can be used to display the filesystem and partition UUIDs on a Linux System?
E2label
Blkid
Fatlabel
Showpart
Which of the following commands can be used to scan a filesystem for disk usage, create, check and repair quota files?
Quota
Edquota
Chkquota
Quotacheck
Which of the following commands will display a summarization of quotas for a filesystem?
Quota --list
Repquota
Quotadisplay
Quotaprint
Which of the following is required as a separate partition in order to use LVM?
/var
/boot
/tmp
/home
Which of the following commands will count down from 10 to 1?
Seq 10 1
Seq 10 -1
Seq 10 -1 1
Seq 10 1 -1
Which of the following commands will count the number of lines in a file named data.csv
Lc data.csv
Wc -l data.csv
Lines data.csv
Count -l dat.csv
Which of the following commands will display the contents of the /etc/passwd file in alphanumerical order?
Cat --sort /etc/passwd
Cat -s /etc/passwd
Sed /etc/passwd
Sort /etc/passwd
Which of the following commands will display the exit status of the last command used in the BASH shell
Echo $status
Echo $exit
Echo $?
Echo $!
Which of the following commands will send the output of the cat command to the grep command to be filtered?
Cat /etc/passwd | grep jsmith
Cat /etc/passwd > grep jsmith
Cat /etc/passwd >> grep jsmith
Cat /etc/passwd @ grep jsmith
Which of the following represents stderr at the command line when used for redirection
0
1
2
3
Which of the following will look t the /etc/passwd file for any lines containing the word root and display them out to the screen while simultaneously writing the results to a file?
Cat /etc/passwd | grep root | merge ~/root.txt
Cat /etc/passwd | grep root >> ~/root.txt
Grep root /etc/passwd | tee ~/root.txt
Grep root /etc/passwd | split ~/root.txt
After a background process has been started, what command below can be used to move it to the foreground?
Fg
Fgnd
Fgd
B2f
Which kill signal terminates a process by taking the process information in memory and saving it to a file called core on the hard disk in the current working directory
SIGINT
SIGKILL
SIGQUIT
SIGTERM
Which of the following command can be used to remove a job from the list of pending jobs?
At --remove
Artrm
At -r
At -d
Which of the following commands can be used to see files that are currently being used by a specific process ID (PID)?
Psfiels
Lsof
Pstatus
Pids
While the top command is running, what key can be pressed to change the nice value of a process?
N
R
P
V
You have started a job running in the background that you want to now bring to the front so that you can watch it execute. Which of the following commands can be used to display the job's output to the terminal?
Dsip
Fg
Front
Jobs -f
The system administrator has shut ethernet interface eth0 down while making some changes to the system. Which of the following commands can they use to bring the network connection back up?
Netctl eth0 up
Ifup eth0
Int eth0 up
Interface eth0 --status up
Which of the following commands will display detailed information for network hardware?
Lsnet
Hwdisp --network
Lshw --net
Ethtool
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