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Linux can be implemented in many different ways.
Drag the implementation type on the left to the definition on the right that BEST matches.
Running Linux and Windows on the same physical computer.
Infrastructure as a Service (IaaS).
Used by Google on many of the physical products it sells.
Manages intelligent devices, such as automation and control equipment.
Options: Embedded Linux, Linux & Cloud Computing, Linux Virtualization, Linux on mobile devices.
Running Linux and Windows on the same physical computer: Linux virtualization
Infrastructure as a Service (IaaS): Linux and Cloud Computing
Used by Google on many of the physical products it sells: Linux on mobile devices
Manages intelligent devices, such as automation and control equipment: Embedded Linux
When working with Linux, it is important to understand what distributions are and how they are used.
Which of the following BEST describes a Linux distribution?
An application capable of running on Linux.
A unique bundling of the Linux kernel.
A pre-written code element programmers can use within programs.
The kernel used to build a Linux operating system.
A unique bundling of the Linux kernel.
Your company develops applications to run on Linux systems. You currently have four development teams, each working on a different aspect of the same application. Which of the following server roles would give you the BEST method for testing all team members' code without affecting your part of the project or your operating system and personal files?
Load balancer
Containers
Clustering
Database
Monitoring
Containers
Alex, a webmaster, is implementing an order processing system on the company's website. Which of the following server roles should Alex implement with the order processing application?
Monitoring
Clustering
VPN
Database
Database
Drag the server role on the left to its proper description on the right.
A protocol used to communicate with and monitor network devices and servers.
A protocol used to securely log on to remote systems using encryption.
Resolves (or maps) the fully qualified domain names (FQDNs) to IP addresses.
A program responsible for accepting HTTP (Hypertext Transfer Protocol) requests from clients.
Options: Web server, SSH, SNMP, Name server
A protocol used to communicate with and monitor network devices and servers: SNMP
A protocol used to securely log on to remote systems using encryption: SSH
Resolves (or maps) the fully qualified domain names (FQDNs) to IP addresses: Name server
A program responsible for accepting HTTP (Hypertext Transfer Protocol) requests from clients: Web server
Drag the server role on the left to its proper description on the right.
Capturing a timeline of events that have taken place on the computer in the form of a file.
A type of network that uses encryption to allow IP traffic to travel securely over the TCP/IP network.
Increases response time to back-end servers by distributing the workload across the available servers.
A computer that provides indirect internet access to the computers in your network.
Options: Proxy, Load balancer, Logging, VPN
Capturing a timeline of events that have taken place on the computer in the form of a file: Logging
A type of network that uses encryption to allow IP traffic to travel securely over the TCP/IP network: VPN
Increases response time to back-end servers by distributing the workload across the available servers: Load balancer
A computer that provides indirect internet access to the computers in your network: Proxy
Your company uses both Linux desktops and Windows desktops. Which of the following server roles should you use to provide a central location for users of both operating systems to share files?
Database
File servers
Proxy
Authentication server
File servers
Your company has been expanding the number of servers in the company's data center, and there is an increased need to gather metrics, watch process states, work with logs, watch services states and file system usage. Which of the following sever roles should be installed to provide this functionality?
Database
Containers
Monitoring
Logging
Monitoring
Which of the following is the primary role of a mail transfer agent (MTA)?
Store messages so they can be downloaded or send email to a destination MTA.
Provide redundant online storage for the mail sever.
Control the bandwidth used by mail user agent (MUA).
Transfer mail to a print server queue.
Store messages so they can be downloaded or send email to a destination MTA.
An IT technician has been given a work order to install the Apache web server on a system configured with a YUM repository. Which of the following commands will install the web server?
yum install apache2
rpm -ivh apache2
yum install httpd
dnf install httpd
yum install httpd
You are at a terminal command prompt in a Linux GUI interface that someone else has been using and want to find out which shell type is currently being used by the terminal. What command can you enter to find out the current shell type?
echo $SHELL
echo $PATH
echo $UID
echo $0
echo $0
In which of the following files is the user's preferred shell normally set?
/etc/group
/etc/passwd
/etc/profile
/etc/shadow
/etc/passwd
Which of the following is the standard shell for MOST Linux computers?
Bourne shell
C-shell
Korn
Bourne again shell (bash)
tcsh
Bourne again shell (bash)
What would you enter at a command prompt to start a new Bourne again shell (Bash) session?
bash
You are managing a Linux server with a console (without a GUI installed). Which of the following key combinations would you press to switch to the fourth shell session?
Ctrl+F4
Ctrl+Shift+4
Ctrl+Alt+F4
Ctrl+4
Ctrl+Alt+F4
A Linux user has an executable file named ni that can save a snapshot of network information with the date and time in a log file. The executable ni file is in the /root directory, and /root is the current working directory. Which of the following commands would run the executable file? (Select two.)
/root/ni
./ni
ni
exec ni
source ni
/root/ni, ./ni
You have just entered the apropos grep command at the command prompt. What can you expect to be displayed?
A one-line man page description for the grep command.
The appropriate use of the grep command in your Linux system.
The syntax available for the grep command.
The apropos information in the grep command man pages.
A one-line man page description for the grep command.
Which of the following man page sections shows a list of options available for a Linux command and explains what the options do?
SYNOPSIS
DESCRIPTION
TITLE
NAME
DESCRIPTION
You have forgotten what information is provided by the whoami command, and simply want a short description of the command. Which of the following help commands could you enter to view that short description?
help -d whoami
help -s whoami
help whoami
help -m whoami
help -d whoami
If you are viewing the contents of a man page, which key can you press to get back to the beginning of the page?
home
Which of the following commands would you enter to view info node information about the sysctrl command?
info "systctrl"
info -w sysctrl
info sysctrl
info -k sysctrl
info sysctrl
Which of the following are characteristics make info nodes different from man pages? (Select two.)
They are more verbose and emphasize how to use commands and utilities.
They contain a SYNOPSIS section for reviewing the syntax of a command.
You can use the End key to go to the end of a page.
They contain hypertext links to navigate between nodes.
You can use the PgUp and PgDn keys to move one page at a time.
They are more verbose and emphasize how to use commands and utilities, They contain hypertext links to navigate between nodes.
You want to search all the man pages for information available for the Bluetooth protocol. Which of the following commands would you enter to display this information?
man bluetooth
man -f bluetooth
man -k bluetooth
man -w bluetooth
man -k bluetooth
You are working on a Linux system and need more information about the uname command. What would you enter at the command prompt to learn about the uname command syntax and options?
man uname
You want to view the Linux help information for the mkdir command. While viewing the information, you want to be able to scroll through the onscreen help. What is the command you would use to display and be able to scroll through the mkdir help information?
mkdir --help | more
mkdir --help | more
Which of the following commands searches man pages for a specific keyword? (Select three.)
apropos
whatis
export
man -k
help
find
slocate
apropos, whatis, man -k
Which of the following nano editor keyboard shortcuts displays help text, including a list of all keyboard shortcuts?
M-Space (Alt+Space or Esc+Space)
M-A (Alt+A or Esc+A)
^O (Ctrl+O)
^G (Ctrl+G)
^G (Ctrl+G)
Which of the following nano text editor features makes it easier for beginners to learn than the vi text editor?
Keyboard shortcuts are displayed at the bottom of the editor.
The software falls under the GNU General Public License.
There are multiple operational modes.
It is included in most Linux distributions.
Keyboard shortcuts are displayed at the bottom of the editor.
Match the nano shortcut on the left to the correct shortcut definition on the right.
Cuts the current line (or selected text) and stores it in the cutbuffer.
Closes the current buffer or exits from nano.
Uncuts (pastes) the text from the cutbuffer into the current line.
Moves forward one word in the current line.
Displays the help text, which includes a list of all keyboard shortcuts.
Options: ^K (Ctrl+K), ^X (Ctrl+X), ^U (Ctrl+U), ^Space (Ctrl+Space), ^G (Ctrl+G)
Cuts the current line (or selected text) and stores it in the cutbuffer: ^K (Ctrl+K)
Closes the current buffer or exits from nano: ^X (Ctrl + X)
Uncuts (pastes) the text from the cutbuffer into the current line: ^U (Ctrl+U)
Moves forward one word in the current line: ^Space (Ctrl+Space)
Displays the help text, which includes a list of all keyboard shortcuts: ^G (Ctrl+G)
Match the vi command on the left with the correct description of the cursor movement the on the right.
Move the cursor up a line.
Move the cursor one space to the left.
Move the cursor one space to the right.
Move the cursor down a line.
Options: k, l, j, h
Move the cursor up a line: k
Move the cursor one space to the left: h
Move the cursor one space to the right: l
Move the cursor down a line: j
As an IT administrator, you are tasked with configuring an Apache web server by modifying the /etc/apache2/apache2.conf file. You open the file in vi. As you're looking at the file, you knock your spill-proof drink container onto the keyboard. It rolls over several keys as you try to pick it up. Now there are extra characters everywhere in the text buffer. Which of the following commands can you use to exit vi without saving any changes that were made to the text buffer?
:wq
:q
:q!
:x
:q!
What command would you enter while in vi Command Mode to find the word Sam?
/Sam
A friend sends you a shell script file that is 117 lines long. He says that he wants you to check the code on lines 82 through 87.
What command would you enter while in vi command mode to go directly to line 82?
#82
Match the vi mode on the left to the correct definition on the right.
The initial mode used when vi is started. It has commands that cut and replace text, and it is the mode vi uses to enter the other modes.
The vi mode that works with the file system. Use it to save files after editing them.
The vi mode used to write and edit text in the file.
Options: Command line mode, Edit mode, Command mode
The initial mode used when vi is started. It has commands that cut and replace text, and it is the mode vi uses to enter the other modes: Command mode
The vi mode that works with the file system. Use it to save files after editing them: Command line mode
The vi mode used to write and edit text in the file: Edit mode
While in vi Command Mode, you copy a whole line of text to the general buffer. You then navigate to a different location in the file. Which of the following commands will let you paste the copied text?
u
dw
cc
p
p
Which of the following vi key combinations should you press while in Insert Mode to save the file you are working on and exit the editor?
<Esc>:wq
<Esc>s
<Esc>:q
<Esc>S
<Esc>:wq
What command displays a list of the currently defined aliases on the system?
alias
You want to make an alias persistent across all reboots of your Linux server. In which of the following files do you need to place the alias command to make the alias persistent?
/home/user/.bashrc
/etc/securetty
/etc/profile
/etc/resolv.conf
/home/user/.bash_profile
/home/user/.bashrc, /etc/profile
Which of the following Linux features lets you store a shortcut in memory or as part of the shell configuration file that runs a specific command?
Background service
Kernel
Shell
Alias
Alias
You want to create a grepcolor alias that provides a lime green (36) background color to the search terms when using the grep command. You want this command to be persistent when rebooting your Linux server.
What command would you enter into the shell configuration file to create this persistent alias?
alias grepcolor="grep --color=36"
alias grepcolor="grep --color=36"
What commonly predefined alias is configured to run the ls -l command?
ll
Mary Brown is a Linux user with the username mbrown. Mary has a directory named logs in her home directory that is regularly updated with new log files when certain system events occur. She runs the following commands several times a week to check this directory:
cd /home/mbrown/logs
ls -al
She wants a persistent alias named logcheck to run these two commands. What command would Mary enter into the shell configuration file to create this persistent alias?
alias logcheck="cd /home/mbrown/logs;ls -al"
alias logcheck="cd /home/mbrown/logs;ls -al"
Which of the following actions defines a persistent alias?
answer
Adding the command defining the alias to the $ALIAS environment variable.
Adding the command defining the alias to the /etc/default/alias.conf file.
Adding the command defining the alias to the appropriate shell configuration file.
Using the alias command at the shell prompt with the -P option.
Adding the command defining the alias to the appropriate shell configuration file.
Which of the following commands creates a shortcut that can be used to run the tail -f /var/log/messages command?
env alias="tail -f /var/log/messages"
export sysmesg="tail -f /var/log/messages"
export alias="tail -f /var/log/messages"
alias sysmesg="tail -f /var/log/messages"
alias sysmesg="tail -f /var/log/messages"
You have created a listgroups alias that you now want to remove.
Which of the following commands will remove the alias?
unalias listgroups
unalias "listgroups"
unalias -a listgroups
unalias -a "listgroups"
unalias listgroups
When creating a custom alias, how many commands can you add to the alias?
1 or more
3 or more
2 or more
1
1 or more
Anna, a system administrator, wants to set an environment variable that can be used each time she logs in. Currently, Anna has to set the variable each time a terminal is opened.
Which of the following files would Anna need to modify to make the variable a global environment variable? (Select two.)
~./bash_logout
~/.bashrc
~./bash_history
~./bash_profile
/etc/profile
~./bash_profile, /etc/profile
You want to view the number of commands your bash shell is set to save by examining the current HISTSIZE environment variable. You don't want to have to scroll through all the environment variables. Which of the following commands is the BEST way to determine the current value of the HISTSIZE variable?
cat $HISTSIZE
cat /etc/profile | grep "HISTSIZE"
echo $HISTSIZE
HISTSIZE=
echo $HISTSIZE
Which of the following commands displays the value of the LANG environmental variable currently set for the language the operating system uses?
echo %LANG
echo $LANG
echo %LANG%
echo LANG
echo $LANG
You need to set the COMP variable to the value 1745.
Which of the following commands sets the variable, so it is inherited by subsequent child shells?
COMP=1745
set COMP to 1745
export COMP=1745
set COMP=1745
export COMP=1745
You recently used the HOST=FS4 command. Which of the following commands should you use to change the HOST variable to an environment variable that will be inherited by subsequent child shells and processes?
env HOST
export HOST
set HOST
unset HOST
export HOST
Tim, a technician, creates a local variable named val and sets it to 5000 at the bash prompt. Tim wants to use the variable in a script. But when the script is executed, the value of val is not set to 5000. Which of the following commands would allow Tim to set val as an environment variable that would be available to the script?
echo $val=5000
export val=5000
declare val
exec val
export val=5000
Which of the following commands configures the shell to retain 300 recently used commands in the ~/.bash_history file for multiple shell sessions?
HISTFILESIZE=300
HISTFILE=300
HISTSIZE=300
BASH=300
HISTFILESIZE=300
You want the directory /sbin/special to be include in the PATH environment variable. You also want to keep all the current directory entries currently in the PATH variable. Which of the following commands would you use?
PATH=$PATH:$/sbin/special
PATH=PATH&/sbin/special
PATH=/sbin/special
PATH=$PATH:/sbin/special
PATH=$PATH:/sbin/special
Which of the following statements BEST describes the PATH environment variable?
It specifies the filename where past commands are stored.
It contains the directory prefixes used to search for programs and files.
It contains the path of the current working directory.
It specifies the characters the shell uses to indicate normal user ($), root user (#), and similar items.
It contains the directory prefixes used to search for programs and files.
Which command displays all the environment variables defined in the shell?
printenv
A user starts a bash session and the script in /etc/profile. If all of the following files exist, which will be run next?
~/.bash_profile
~/.bash_logout
~/.bash_login
~/.profile
~/.bash_profile
All users at your site are using the bash shell. You want to set a variable that will apply to every user and always have the same value. Which of the following shell configuration files should you place this variable in?
.bash_login
.bashrc
/etc/profile
.bash_profile
/etc/profile
From the drop-down list below, select the file that is called by the non-login shell configuration file.
~/.bashrc
~/.bashrc
Which of the following are examples of a user running a login shell? (Select two.)
When the Linux system does not have a GUI and the user logs in using the text-based interface.
When a user opens a new shell from a shell prompt.
When a user opens a shell session (terminal application) from within the GUI.
When a user runs the sudo -i <user ID> command and enters the correct password.
When a user runs the sudo <user ID> command without the -i option.
When the Linux system does not have a GUI and the user logs in using the text-based interface, When a user runs the sudo -i <user ID> command and enters the correct password.
What type of shell runs after the user successfully logs in using an ID and password? (Type the answer in the blank field.)
Select the file type from the drop-down list below that is also called by non-login shell configuration files.
*.sh files in /etc/profile.d
*.sh files in /etc/profile.d
Which of the following are examples of a user running a non-login shell? (Select two.)
When the Linux system does not have a GUI and the user logs in using the text-based interface.
When a user logs in from a remote system using the SSH protocol.
When a user runs the sudo <user ID> command without the -i option.
When a user opens a shell session (terminal application) from within the GUI.
When a user runs the sudo -i <user ID> command and enters the correct password.
When a user runs the sudo <user ID> command without the -i option, When a user opens a shell session (terminal application) from within the GUI.
What type of shell runs when a user opens a shell after first authenticating with a user ID and password? (Type the answer in the blank field.)
non-login
non-login
Which of the following files could you use to create aliases that are applied when a specific user starts a bash session? (Select two.)
~/.bashrc
/etc/profile
~/.bash_logout
~/.profile
/etc/bashrc
~/.bashrc, ~/.profile
Each time you present credentials to log in, you want a particular entry to be written to a log file. This action will only apply to yourself. You are using the bash shell. Which of the following configuration files is the BEST to modify to enable this action?
.bashrc
.sh
/etc/profile
.profile
.profile
Which of the following commands sorts the combined contents of the wordlist1 and wordlist2 files and sends the results to both the screen and a file named sortedwordlist?
cat /usr/wordlist1 /usr/wordlist2 | sort sortedwordlist
cat /usr/wordlist1 /usr/wordlist2 | tee sortedwordlist
cat /usr/wordlist1 >> /usr/wordlist2 | sort sortedwordlist
cat /usr/wordlist1 /usr/wordlist2 | sort | tee sortedwordlist
cat /usr/wordlist1 /usr/wordlist2 | sort | tee sortedwordlist
Which of the following commands gives the same results as cat < turbo?
cat turbo
cat 2> turbo
cat &> turbo
cat 1> turbo
cat turbo
As a Linux script developer you are trying to debug a shell script that has the command ls -s in it. You suspect that an error is occurring, and want to send the results of the operation and any errors to a file named ~/Friday in order to examine it later. Which of the following commands should you use?
ls -s < ~/Friday
ls -s > ~/Friday
ls -s >> ~/Friday
ls -s &> ~/Friday
ls -s &> ~/Friday
A bash script developer is trying to debug a shell script named myscript. Which of the following commands would record the output of the script in a testfile.txt text file?
myscript | testfile.txt
echo myscript >> testfile.txt
myscript >> testfile.txt
myscript | echo | testfile.txt
myscript >> testfile.txt
Which command reads from standard input (stdin) and writes to both standard output (stdout) and a file?
tee
Which of the following describes the effects of the ls -l /usr/bin >> /tmp/list.txt command?
The contents of the /usr/bin directory are written to a file named /tmp/list.txt. Previous file contents are kept, and the new information is added at the end of the file.
The contents of the /usr/bin directory are written to a file named /tmp/list.txt. Previous file contents are kept, and the new information is added at the beginning of the file.
The contents of the /usr/bin directory are written to a file named /tmp/list.txt. Previous file contents are overwritten.
The contents of the /usr/bin directory are written to both the screen and to a file named /tmp/list.txt. Previous file contents are overwritten.
The contents of the /usr/bin directory are written to a file named /tmp/list.txt. Previous file contents are kept, and the new information is added at the end of the file.
Which of the following commands stores the output of the ls -a command in a shell variable named allfiles?
allfiles=$(ls -a)
allfiles=$((ls -a))
allfiles="exec ls -a"
allfiles=${ls -a}
allfiles="ls -a"
allfiles=$(ls -a)
A shell script developer knows that the date +%A command gives the current local weekday name (Sunday, Monday, Tuesday, ...). Which of the following commands will copy the authentication log file, /var/log/auth.log, to a new file with a filename that includes the current local weekday name?
cp /var/log/auth.log ~/auth${date +%A}.log
tee /var/log/auth.log > date +%A -log
cp /var/log/auth.log ~/auth$(date +%A).log
xargs /var/log/auth.log ~/auth$(date +%A).log
cp /var/log/auth.log ~/auth$(date +%A).log
Which of the following commands utilize command substitution? (Select two.)
echo -e 'sort -r names.txt'
myvar=$(sort -r names.txt)
myvar="echo 'sort -r names.txt'"
myvar=`sort -r names.txt`
echo -e "$(sort -r names.txt)"
myvar=$(sort -r names.txt), myvar=`sort -r names.txt`
Which command overcomes the 128 KB shell command size restriction by breaking up long lists of arguments?
xargs
Which of the following commands will (by itself) copy the entire /temp directory with all of its files, sub-directories, and files in the sub-directories to the /home/gshant directory? (Select two.)
cp /temp /home/gshant
cp -r /temp /home/gshant
cp -R /temp /home/gshant
cp -q /temp /home/gshant
cp -s /temp /home/gshant
cp -r /temp /home/gshant, cp -R /temp /home/gshant
Which of the following commands displays an expanded listing that includes the owner and size of all the files in the /etc directory?
ld -ae /etc
ls -ae /etc
ls -al /etc
dir -al /etc
ls -al /etc
You need to view the contents of the /home/jerrys directory. What would you enter at the command prompt to show all the contents, including hidden files and directories?
ls -a /home/jerrys
ls -a /home/jerrys
The ls command displays the contents of a directory and includes several options. From the list on the left, drag an option to its correct description on the right.
Displays directories but not files.
Displays extended information including the owner, modified date, size and permissions.
Reverses the sort order of the list.
Displays all directory contents, including hidden content.
Displays the contents of a directory and all of its subdirectories.
Options: -R, -r, -a, -l, -d
Displays directories but not files: -d
Displays extended information including the owner, modified date, size and permissions: -l
Reverses the sort order of the list: -r
Displays all directory contents, including hidden content: -a
Displays the contents of a directory and all of its subdirectories: -R
As a Linux administrator, you need to create the directory /var/oracle/database/9i. Only the directory /var currently exists. The current working directory is the root of the filesystem. Which of the following commands will create the directory path?
md -path /var/oracle/database/9i
mkdir /var/oracle/database/9i
mkdir -p /var/oracle/database/9i
mkd /var/oracle/database/9i
mkdir -p /var/oracle/database/9i
You want to rename the quarterlyreports.txt file in the /sales/reports directory to qreports.txt. You are currently in the root directory at the command prompt. What command can you enter to rename the file?
mv /sales/reports/quarterlyreports.txt /sales/reports/qreports.txt
mv /sales/reports/quarterlyreports.txt /sales/reports/qreports.txt
You want to move a directory (and its files) to a destination directory that stores some of the same files using the mv command. You want to include the mv command in a script without monitoring the copy process. In addition, you do not want to overwrite the files in the destination directory. Which of the following mv command options would you use to prevent overwriting files?
-f
-i
-n
-R
-n
The /home/gshant/smp directory is empty and needs to be removed. The current working directory is /home/gshant.
What would you enter at the command prompt to remove the smp directory?
rmdir smp
Within the /var directory is a subdirectory named backup. You need to delete the directory backup and any files that it contains. You change the directory focus to /var. Which of the following commands will delete the directory named backup and any file it contains?
rm -r backup
rm backup
rm backup/*
rm -r backup/*
rm -r backup
The /home/gshant/smp directory contains several files. The directory and files need to be removed. The current working directory is /home/gshant. What would you enter at the command prompt to remove the SMP directory and all the files it contains?
rm -r smp
Which of the following commands can you use to combine the content of three files into a single text stream?
pr
cat
nl
cut
cat
A Linux administrator is logged in as root and needs to copy a file named letter.doc from the USB flash drive mounted under /media/usb. Which of the following commands will copy the file from the USB flash drive to the root user's home directory?
cp /media/usb/letter.doc /root
cp /dev/usb/letter.doc /root
cp /media/usb/letter.doc home:
cp /mnt/usb:letter.doc /root
cp /media/usb/letter.doc /root
What would you enter at the command prompt to display a file's type?
file
file
A user, ljenkins, contacts the help desk about an error received while removing a file from their home directory. The user received the following error when trying to use the rm command to remove the file:
[ljenkins@fileserver]$ rm report.txt
rm: remove write-protected regular empty file 'myfile2.txt'? y
rm: cannot remove 'myfile2.txt': Operation not permitted
While troubleshooting the issue, you list files in the directory to see if you can discover the issue:
[ljenkins@fileserver]$ ls -al
total 4
drwxr-xr-x. 2 ljenkins ljenkins 24 Feb 25 12:04 .
drwx 15 ljenkins ljenkins 4096 Feb 25 11:04 ..
-rw-rw-r--. 1 ljenkins ljenkins 346 Feb 25 11:32 report.txt
When prompted to remove the write-protected file, ljenkins entered yes and received an "Operation not permitted" error message. As the help desk technician, you attempt to remove the file with root privileges and receive the same error message. You decide to view the file attributes and receive the following output:
[helpdesk@fileserver]$ lsattr
----I----------- ./report.txt
Which of the following commands would resolve the problem and allow the file to be deleted?
sudo rm -vR report.txt
sudo rm --force report.txt
sudo chattr -i report.txt && rm report.txt
sudo lsattr report.txt | rm report.txt
sudo chattr -i report.txt && rm report.txt
Which of the following commands displays the attributes of the /boot/grub/grub.conf file?
lsattr /boot/grub/grub.conf
ls -l /boot/grub/grub.conf
cat /boot/grub/grub.conf
vi /boot/grub/grub.conf
lsattr /boot/grub/grub.conf
You attempt to view the contents of a directory, but the output of the ls -l command scrolls beyond the limit of one console window.
Which of the following commands would allow you to see the full listing of the directory?
ls -l | less
ls -l >> less
ls -paged
ls -p
ls -l | less
Which of the following commands moves a file from one location to another?
cp -d
move
copy -r
mv
mv
Which of the following commands will change the /home/pmallory/reports filename to reports.bak?
cp -n /home/pmallory/reports /home/pmallory/reports.bak
mv /home/pmallory/reports /home/pmallory/reports.bak
rm /home/pmallory/reports /home/pmallory/reports.bak
touch -n /home/pmallory/reports /home/pmallory/reports.bak
mv /home/pmallory/reports /home/pmallory/reports.bak
An employee has mistakenly copied a secure, private file from a network directory to their local hard drive. You want to completely overwrite the file data on the hard drive, as well as delete the file inode (file metadata). Which of the following commands would you use to perform this task?
rm -i
shred -u
shred -v
rm -dir
shred -u
Which of the following commands changes the /home/gshants/smile file's modification and last accessed times to the current time?
answer
Correct Answer:
touch /home/gshants/smile
ls /home/gshants/smile
cat /home/gshants/smile
rm /home/gshants/smile
touch /home/gshants/smile
Note
Flashcard