Module 3

Question 1

Which line will be displayed with the following command?

$ grep “^I” file1

• I went to
• How I wished
• Jack and I
• 208-496-1100

Answer 1

I went to

Question 2

Find the match.

• Home directory
• Current directory
• Parent directory
• The root directory

Answer 2

Home directory ~

Current directory .

Parent directory ..

The root directory /

Question 3

Identify the relative path names. (Select two)

• ../../bin
• /bin
• Download
• /root

Answer 3

../../bin

Download

Question 4

Which command was entered at ____________________? (Select two)

[user1@localhost gdm]$ pwd

/etc/gdm

[user1@localhost gdm]$ ____________________

[user1@localhost share]$ pwd

/usr/share

• cd ../../root/usr/share
• cd ../../usr/share
• cd ../usr/share
• cd /usr/share

Answer 4

cd ../../usr/share

cd /usr/share

Question 5

Which statement describes the regular expressions? (Select two)

• Interpreted by the shell
• Interpreted by text tool programs such as grep
• Finds matches within text files
• Finds matches in filenames

Answer 5

Interpreted by text tool programs such as grep

Finds matches within text files

Question 6

Which statement is true for the regular expression metacharacter ‘?’ ?

• Matches 0 or more occurrences of the previous character
• Matches 0 or 1 occurrences of the previous character
• Matches 1 or more occurrences of the previous character
• Matches 1 occurrences of the previous character

Answer 6

Matches 0 or 1 occurrences of the previous character

Question 7

What command was given for the following output?

[root@localhost dev]# __________

tty6 tty60 tty61 tty62 tty63

• ls tty6?
• ls tty6*
• ls tty6[0-3]
• ls tty6[0123]

Answer 7

ls tty6*

Question 8

Which command is NOT used to display the content of a text file?

• cat
• dog
• head
• tail

Answer 8

dog

Question 9

Which command was given for the output below?

Answer 9

ls -a

Question 10

Which one is NOT a popular text editor on Linux?

• vi
• Emacs
• Python
• nano

Answer 10

Python

Question 11

Which command would a user type on the command line to find out the current directory in the directory tree?

• pd
• cd
• where
• pwd

Answer 11

pwd

Question 12

A user typed in the command pwd and saw the output: /home/jim/sales/pending. How could that user navigate to the /home/jim directory?

• cd ..
• cd /jim
• cd ../..
• cd ./.

Answer 12

cd ../..

Question 13

Linux has only one root directory per directory tree.

• True
• False

Answer 13

True

Question 14

The less command offers less functionality than the more command.

• True
• False

Answer 14

False

Question 15

A user types the command head /poems/mary. What will be displayed on the terminal screen?

• the first line of the file mary
• the header for the file mary
• the first 20 lines of the file mary
• the last 10 lines of the file mary
• the first 10 lines of the file mary

Answer 15

the first 10 lines of the file mary

Question 16

Using wildcard metacharacters, how can you indicate a character that is not an a or b or c or d?

• [^abcd]
• not [a-d]
• [!a-d]
• !a-d

Answer 16

[!a-d]

Question 17

If “resume” is the name of a file in the home directory off the root of the filesystem and your present working directory is home, what is the relative name for the file named resume?

• /home/resume
• /resume
• resume
• \home\resume

Answer 17

resume

Question 18

What will the following wildcard regular expression return: file[a-c]?

• filea-c
• ilea, filec
• filea, fileb, filec
• fileabc

Answer 18

filea, fileb, filec

Question 19

Which of the following is an absolute pathname in Linux?

• Home/resume
• C:\myfolder\resume
• resume
• /home/resume
• C:home/resume

Answer 19

/home/resume

Question 20

How can you specify a text pattern that must be at the beginning of a line of text using a regular expression?

• Precede the string with a /
• Follow the string with a \
• Precede the string with a $
• Precede the string with a ^

Answer 20

Precede the string with a ^