Deck 3: Exploring Linux Filesystems

Question 1

The ____ metacharacter can also be used to refer to the current user's home directory.

A) ~
B) @
C) &
D) #

Answer 1

A

Question 2

If you type enough unique letters of a directory and press ____ key, the BASH shell will find the intended file or directory being specified and fill in the appropriate information.

A) Alt
B) Tab
C) Ctrl
D) Esc

Answer 2

B

Question 3

Pressing the Esc key at the prompt while using the more command displays a help screen.

Answer 3

False

Question 4

Most files on a Linux system that contain configuration information are ____ files.

A) system
B) directory
C) text
D) program

Question 5

The more command should not be used on binary files.

Question 6

The ____ symbol indicates a linked file.

A) @
B) *
C) &
D) =

Question 7

It is acceptable to use shell metacharacters when naming files.

Question 8

The most common way to search for information using regular expressions is the grep command. _________________________

Question 9

The command strings /bin/echo displays the binary characters inside the /bin/echo binary executable program.

Question 10

When you first open the vi editor, you are placed in edit mode. _________________________

Question 11

The ____ command can be used to provide a long listing for each file in a certain directory.

A) ls -T
B) ls -L
C) ls -F
D) ls -l

Question 12

To move from the /home/joe/test/data to the /home/joe directory, use the ____ command.

A) cd ..
B) cd ../..
C) /home/joe
D) cd ./..

Question 13

The ____ command will confirm the system directory that you are currently in.

A) dir
B) pwd
C) whereami
D) ld

Question 14

The three characters following a period in a file name are referred to as the filename extension. _________________________

Question 15

Filenames can include up to 200 characters. _________________________

Question 16

To view a list of files and their type, use the ____ switch to the ls command.

A) -T
B) -L
C) -F
D) -l

Question 17

Using wildcard metacharacters, how can one indicate a number is either 1, 2, 3, or 4?

A) 1-4
B) [1-4]
C) [1234]
D) [1,2,3,4]

Question 18

To display the contents of a file called data, use the command ____.

A) disp data
B) ls data
C) ls -l data
D) cat data

Question 19

In Linux, the root directory is represented by a \ character. _________________________

Question 20

Linux uses a logical directory tree to organize files into different folders.

Question 21

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
Displays the first ten lines of a text file.

Question 22

The ____ regular expression metacharacter matches 0 or more occurrences of the previous character.

A) *
B) ?
C) +
D) ^

Question 23

The ____ can be used with LISP artificial intelligence programming language and supports hundreds of keyboard functions like the vi editor.

A) Kedit editor
B) Mcedit editor
C) Emacs editor
D) Nedit editor

Question 24

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
A file that contains the most recent entries at the bottom of the file.

Question 25

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
A file that represents a device on the system, such as a hard disk or serial port.

Question 26

Text wildcards used to ease the searching of specific text information are called ____________________.

Question 27

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
Identifies a channel that passes information from one process in memory to another, and in some cases can be mediated by files on the hard drive.

Question 28

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
Files that have an association with one another.

Question 29

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
Displays lines of text that match extended regular expressions.

Question 30

The file .file.dat is an example of a(n) ____________________ file.

Question 31

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
A file that allows a process on another computer to write to a file on the local computer while another process reads from that file.

Question 32

In a file listing, the 9 characters following the file type (for example, -rwxr-xr-x) refer to the file's ____________________.

Question 33

An alternative to the vi editor that offers an equal set of functionality is the GNU ____________________.

Question 34

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
Special file that serves as placeholders to organize other files.

Question 35

Which is an extended regular expression metacharacter?

A) .
B) [...]
C) ^
D) {}

Question 36

Which of the following key combinations, commonly used in the vi editor command mode, displays current line statistics?

A) $
B) x
C) Ctrl+g
D) P

Question 37

The ____ editor is functionally analogous to the Windows Wordpad and Notepad editors.

A) XEmacs
B) vi
C) Emacs
D) gedit

Question 38

When a user logs into their Linux system, he is placed in the ____________________ directory.

Question 39

The ____ command displays the last five lines of a text file.

A) end -5
B) head -5
C) stop -5
D) tail -5

Question 40

Match each correct item with the statement below.
a.log file
f.socket file
b.tac command
g.head command
c.directory
h.special device file
d.named pipe
i.linked files
e.egrep command
Displays a file in reverse order.

Question 41

What is the disadvantage of using the cat command to display a very large text file? How can you get around this problem?

Question 42

What does the cd command do? What happens if you use this command without an argument?

Question 43

What is the difference between an absolute and a relative pathname? What is a benefit of each?

Question 44

Why is the vi editor called a bimodal editor? Explain.

Question 45

List at least three differences between wildcard metacharacters and regular expressions.