Which of the following commands is used for file manipulation in Linux?

• cp

• ls

• mv

• whoami

Which operator can be used to run a binary in the background?

• |

• @

• &

• ;

You found a sensitive file that seems to contain passwords. When you try to read the file, you notice that there is too much data to read. How can you search for passwords in the file?

• Use the "find" command to locate the data in the file.

• Filter with “grep.”

• Use the "echo" command and the > operator.

• Use the "search" command to search for a specific word.

Jacob found a text file that contains content. He wants to overwrite the data in the file and replace it with something else. Which of the following commands can do that?

• echo "Hello!" >> file.txt

• rm file.txt

• echo "Hello!" > file.txt

• echo "Hello:" –f file.txt

Which of the following commands displays the contents of a file?

• cat

• touch

• man

• display

Which command creates an empty file if it does not exist?

• cat

• touch

• mkdir

• echo

Linux is an open-source operating system.

• True

• False

Which user has the highest permissions in the system?

• root

• kali

• user

• NT Authority

Which of the following commands lists all the files in a directory?

• ls

• uname

• whoami

• pwd

Which Linux distribution is widely recognized as a preferred choice for cybersecurity professionals, particularly for ethical hackers?

• Ubuntu

• Fedora

• Kali Linux

• RHEL