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NOS 120- Midterm Review 3 With Complete Solutions
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NOS 120- Midterm Review 3 With Complete Solutions
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NOS 120- Midterm Review 3 With CompleteSolutions 2024/2025
Suppose you have a directory named Project within your current working directory. Assume the Project directory also
contains files and additional subdirectories. Which command would remove the Project directory and all of its contents
without prompting to confirm each file deletion? ANS✔✔ rm -rf Project
Which of the following redirection symbols should be used to append the results to an existing file (preserving the
contents)?
Select one:
a. &>
b. >
c. >>
d. 2> ANS✔✔ >>
What is a daemon? ANS✔✔ A daemon is a system process that performs key tasks like printing, maintenance or
scheduling. The first daemon on the system is the init daemon, which loads all of the other daemons that are necessary
to make the system usable.
In vi editor, which key combination do we use to save and exit?
Select one:
a. ctrl-c
b. :q
c. :wq
d. :q! ANS✔✔ c. :wq
To start and stop daemons, as well as configure them to automatically start during system initialization, you can use the
_______________________ command. ANS✔✔ systemctl
, You work as a Linux system administrator for a small business. The company has a web server that records every login
attempt to a custom log file named log_file.txt. There has a been a recent security breach, and your boss has asked you
to generate a list of all failed login attempts in this log file.
Below is an example of what the first 10 lines of this log file might look like:
What grep command would you issue to generate a list of failed login attempts? ANS✔✔ grep "login:fail" login_log.txt
Write the command that would print the following sentence to the terminal (exactly as it appears below):
When I graduate I hope to make a lot of $$ ANS✔✔ echo "When I graduate I hope to make a lot of \$\$"
In the following command, what do we call the part in blue?
ls -a /home/jsmith/private
Select one:
a. argument
b. option ANS✔✔ argument
Users enter commands directly to the kernel of the Linux operating system.
Select one:
True
False ANS✔✔ false
Which runlevel reboots the system?
Select one:
a. 1
b. 3
c. 6
d. 5
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