010-160 Finding Your Way ON A Linux System Practice Test 2 — 15 Questions

Question 1

Which command would you use to list files in long format, sorted by modification time, with the newest files appearing first?

Accepted Answer

ls -ltr. The -l (long), -t (time), and -r (reverse) flags together achieve this.

Answer

ls -lt

Answer

ls -lr

Answer

ls -Rlt

Question 2

What is the primary difference between 'man' pages and 'info' pages?

Accepted Answer

info contains more detailed, hyperlinked documentation. Info pages are generally more detailed, hierarchical, and often contain hyperlinks, whereas man pages are typically concise, technical summaries.

Answer

man is graphical, info is text-based

Answer

man pages are obsolete

Answer

man is for system files, info is for users

Question 3

To see the contents of a directory, which command is standard?

Accepted Answer

ls. The ls command is the standard tool for listing directory contents.

Answer

dir

Answer

list

Answer

cat

Question 4

You want to delete a file but you are worried about accidentally deleting the wrong one. Which flag should you use with 'rm' for confirmation?

Accepted Answer

rm -i. The -i flag makes the rm command interactive, asking for confirmation before removing each file.

Answer

rm -f

Answer

rm -v

Answer

rm -R

Question 5

You are trying to find the location of a binary file, specifically the 'ls' command. Which command is best suited for this?

Accepted Answer

which. The 'which' command finds the location of an executable in the user's PATH.

Answer

find

Answer

locate

Answer

whereis

Question 6

You have created a script but it is not executable. Which command should you use to give the owner execute permissions?

Accepted Answer

chmod u+x. The chmod command is used to change file permissions, and u+x adds execute permission for the user.

Answer

chown u+x

Answer

chgrp u+x

Answer

chperm u+x

Question 7

Which command is used to view the contents of a file one screen at a time?

Accepted Answer

less. The 'less' command is a terminal pager that allows forward and backward navigation through text files.

Answer

head

Answer

more

Answer

cat

Question 8

You want to create a symbolic link named 'link_to_file' that points to 'original_file'. Which command is correct?

Accepted Answer

ln -s original_file link_to_file. The ln -s command is used to create symbolic links.

Answer

link original_file link_to_file

Answer

ln -h original_file link_to_file

Answer

ln original_file link_to_file

Question 9

What does the 'cat' command do when provided with multiple filenames as arguments?

Accepted Answer

It displays the contents of all files sequentially. The cat command reads the files in the order they are listed and concatenates them to the standard output.

Answer

It displays only the first file

Answer

It compares them

Answer

It merges them into one file

Question 10

What is the purpose of the 'tee' command?

Accepted Answer

To split output to file and screen. The tee command reads from standard input and writes to both standard output and one or more files.

Answer

To join files

Answer

To format output

Answer

To filter output

Question 11

When using 'man', what does the section number '5' refer to?

Accepted Answer

File formats. Section 5 of the manual pages is reserved for file formats and conventions.

Answer

User commands

Answer

System calls

Answer

Kernel routines

Question 12

Which command is used to clear the terminal screen?

Accepted Answer

clear. The clear command wipes the current terminal output.

Answer

clean

Answer

wipe

Answer

reset

Question 13

You need to append the output of a command to an existing file without overwriting it. Which operator should you use?

Accepted Answer

>>. The >> operator appends output to a file.

Answer

|

Answer

>

Answer

&

Question 14

You are currently in a directory and want to find files ending in '.conf' within the current folder and its subfolders. Which command is correct?

Accepted Answer

find -name "*.conf". The find command is the tool for searching the filesystem based on criteria like name.

Answer

grep "*.conf"

Answer

search *.conf

Answer

ls *.conf

Question 15

Which shell variable typically contains the directories searched for command executables?

Accepted Answer

$PATH. The PATH variable holds the colon-separated list of directories the shell searches for commands.

Answer

$SHELL

Answer

$USER

Answer

$HOME