Chapter 6 Exam

Question 1

Hidden files are files that begin with what character?

A dash (-)
A plus (+)
A period (.)
An asterisk (*)

Answer 1

A period (.)

Question 2

What option for the ls command will display all files, including hidden files?

• L
• H
• w
• a

Answer 2

-a

Question 3

The top-level directory on a Linux system is represented as:

/
C:
/home
/root

Answer 3

/

Question 4

Is the following path absolute or relative?
/etc/ppp

Absolute
Relative

Answer 4

Absolute

Question 5

Is the following path absolute or relative?
../../home/sysadmin

Relative
Absolute

Answer 5

Relative

Question 6

The tilde (~) is used to represent:

A user’s home directory
Any two single characters
The directory above the current working directory
Nothing; it has no special meaning

Answer 6

A user’s home directory

Question 7

Which of the following commands can be used to access the home directory of the user “bob” while logged in as root? (choose two)

cd /home/bob
cd ~bob
cd &&
~bob

Answer 7

cd /home/bob

cd ~bob

Question 8

The double dot (..) can be used with the cd command to represent:

The directory above the current working directory
Nothing; it has no special meaning.
Any two single characters
A user’s home directory.

Answer 8

The directory above the current working directory

Question 9

Is the following path absolute or relative?
sysadmin/Documents

Relative
Absolute

Answer 9

Relative

Question 10

The cd command by itself will take you to what directory?

The system root directory
None; it is not a valid command
The directory above the current working directory
Your home directory

Answer 10

Your home directory

Question 11

What command will allow you to change your current working directory?

chdir
list
cd
ls

Answer 11

cd

Question 12

The double dot (..) can be used to represent the directory…

…above the current directory.
…below the current directory.
…with any two single numbers.
…above the current directory only when using the cd command.

Answer 12

…above the current directory.

Question 13

The ls command without options or arguments…

…generates an error as this command requires arguments.
…lists the contents of the current directory.
…prompts for a directory to list.
…lists the contents of a user’s home directory.

Answer 13

…lists the contents of the current directory.

Question 14

The first character in a long listing (ls -l) indicates:

The permissions
If something is a file, directory, or symbolic link
The owner
The size

Answer 14

If something is a file, directory, or symbolic link

Question 15

Which option for the ls command, when used in conjunction with the -l option, will display human-readable sizes?

• M
• S
• H
• h

Answer 15

-h

Question 16

Which of the following commands will prevent any aliased options to the ls command?

/ls
\ls
%ls
ls

Answer 16

\ls

Question 17

The ls command color codes results by default.
True or False?

True
False

Answer 17

False

Question 18

The command ls -S will sort files:

By size, smallest to largest
By number of symlinks, largest to smallest
By modification date, newest to oldest
By size, largest to smallest

Answer 18

By size, largest to smallest

Question 19

When using the cp command, you must provide both a source and a destination.
True or False?

True
False

Answer 19

True

Question 20

Which option(s) can be used to prevent cp from overwriting an existing file? (choose two)

• n
• N
• z
• i

Answer 20

• n

- i

Question 21

The command rm -r will…

remove a directory along with any files or subdirectories.
prompt for each confirmation before deleting each file in a directory.
remove only empty directories.
generate an error; -r isn’t a valid option.

Answer 21

remove a directory along with any files or subdirectories.

Question 22

Which option can be used with the rm command to prompt before deleting?

-i
I
-P
A

Answer 22

-i

Question 23

The rm command can delete multiple files at once.
True or False?

True
False

Answer 23

True

Question 24

Which of the following commands can be used to rename a file?

name
mv
rn
cp

Answer 24

mv

Question 25

The touch command can be used to: (choose two) Create new files Change a file’s name Update the time stamp of existing files Change ownership of a file

Answer 25

Create new files | Update the time stamp of existing files

Question 26

The whatis command is the same as man -w. True False

Answer 26

False

Question 27

Which two pager commands are used by the man command to control movement within the document? (choose two) grep less page more

Answer 27

less | more

Question 28

Commands typically executed by a user are covered in what section of the manual? 5 3 2 1

Answer 28

1

Question 29

The statement that describes the difference between a man page and an info page is: The man page is like a guide; the info page is a more concise reference. The info page is like a guide; a man page is a more concise reference. The man page is a long detailed reference; the info page is very terse. There is very little difference between them.

Answer 29

The info page is like a guide; a man page is a more concise reference.

Question 30

Section 5 of the manual pages covers: System administration commands Games User commands File Formats

Answer 30

File Formats

Question 31

To search the man page sections for the keyword example, which of the following command lines could you execute? (choose two) man -k example apropos example man -f example whatis example

Answer 31

man -k example | apropos example

Question 32

To start searching a man page, the first key you press is: f / s !

Answer 32

/

Question 33

To get help on using the info command, execute: (choose two) man info info -q info info help info

Answer 33

man info | info info

Question 34

To get help while using the info command, press: g A Shift+H Shift+z

Answer 34

Shift+H

Question 35

When interpreting the SYNOPSIS of a command found on a man page, the “|” means: The items it separates can be used together The items it separates cannot be used together

Answer 35

The items it separates cannot be used together

Question 36

The _____ command is normally executed daily to update the database of all files that are on the system. find locate search updatedb

Answer 36

updatedb

Question 37

The _____ command is normally executed to search for a command or man page. updatedb whereis find man -k

Answer 37

whereis

Question 38

The _____ command can be used to find any file, not just commands or man pages. apropos whereis whatis locate

Answer 38

locate

Question 39

The info command merges all available documentation into a single “book”. True or False? True False

Answer 39

True

Question 40

Section 9 of man pages relates to what? ``` Library Calls Games Kernel Routines System Calls Miscellaneous ```

Answer 40

Kernel Routines

Question 41

The man command searches each of the sections in order until it finds a match. True or False? True False

Answer 41

True

Question 42

The whatis command will only return the first result for which section a man page is stored in. True or False? True False

Answer 42

False

Question 43

What is the standard option to provide a command line program to view its documentation? -h –info –help –doc

Answer 43

–help

Question 44

The command man -k is the same as the command apropos. True or False? True False

Answer 44

True

Question 45

The whatis command is the same as man -w. False True

Answer 45

False

Question 46

The directory where additional documentation for software packages most likely can be found is: /usr/software/doc /var/lib/doc /usr/share/doc /var/share/doc

Answer 46

/usr/share/doc

Question 47

If you are reading the synopsis of a command from a man page, then items in square brackets are: Required arguments Comments Optional Required options

Answer 47

Optional

Question 48

The following sections commonly appear on a man page: (choose three) NAME LICENSE DESCRIPTION SYNOPSIS

Answer 48

NAME DESCRIPTION SYNOPSIS