Deck 4: Linux Filesystem Management

Question 1

Shell scripts do not require the execute permission in order to be run the same way binary programs are run.​

Answer 1

False

Question 2

What command can be used to copy files?

A) copy
B) mv
C) cp
D) cpy

Answer 2

C

Question 3

​The database for the locate command can be updated manually by using the updatedb command.

Answer 3

True

Question 4

What does the setfacl -b command do?​

A) ​It removes all extra ACL assignments on a given file
B) ​It sets 7777 on a given file or folder for all users / groups
C) ​The file's user / group ownership is changed to root / root
D) ​The file's ACL assignments are created and are then ready to be modified.

Question 5

The Filesystem Hierarchy Standard specifies what directory as containing the Linux kernel and the boot loader configuration files?

A) /load
B) /bin
C) /boot
D) /mnt

Question 6

In order to create a hard link, what command must be used?

A) ln
B) link
C) lnk
D) lk

Question 7

Select the command below that utilizes a premade database that contains a list of all the files on a system:

A) search
B) id
C) find
D) locate

Question 8

The Filesystem Hierarchy Standard specifies what directory as the root user's home directory?

A) /bin
B) /home/root
C) /boot
D) /root

Question 9

What argument can be used with the chmod command to add read permission and remove write permission for a group on a file?

A) u+r+w
B) g-r+w
C) g+r-w
D) o+r-w

Question 10

What command below takes a list of arguments specifying the absolute or relative pathnames of files to remove?

A) del
B) rm
C) remove
D) delete

Question 11

In order to set all of the special permissions on a certain file or directory, which command below should be used on a file named filename?

A) chmod 777 filename
B) chmod 7777 filename
C) chmod 6666 filename
D) chmod 0000 filename

Question 12

The section of an inode that stores permissions is referred to as what?

A) the tail of the file
B) the head of the file
C) the mode of the file
D) the accessor of the file

Question 13

You can use wildcard metacharacters with the find command.

Question 14

When using the chmod command, the mode rwx can be represented by which number?

A) 0
B) 1
C) 7
D) 8

Question 15

In a file's mode, a permission that is unavailable is represented by what character?

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

Question 16

The rmdir command automatically removes a directory and all of its subdirectories and files.

Question 17

What permission grants a user the ability to open, read, and edit the contents of a file?

A) write
B) execute
C) read
D) alter

Question 18

The contents of a certain variable in memory can be viewed using which metacharacter below in combination with the echo command?

A) $
B) *
C) &
D) #

Question 19

What section of a filesystem contains information about the filesystem in general?

A) inode table
B) inode
C) data blocks
D) superblock

Question 20

The SGID allows regular users to execute a binary compiled program and become a member of the group that is attached to the file.

Question 21

​Select the mode below that corresponds to setting r-x:

A) 1​
B) ​2
C) 5​
D) ​6

Question 22

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
​A powerful command-line text editor available on most UNIX and Linux systems.

Question 23

Describe the SUID. Give an example of a command that typically has this permission set.

Question 24

What option, when added to the rm command, is commonly referred to as the -resume option?

A) ​-d
B) ​-r
C) ​-f
D) ​-i

Question 25

____________________ defines a standard set of directories for use by all Linux and UNIX systems, as well as the file and subdirectory contents of each directory.

Question 26

In order to quickly create an empty file, what command can be used?​

A) ​vim file1
B) ​touch file1
C) ​echo file1
D) ​create file1

Question 27

Describe hard and symbolic links. What is the difference between them?

Question 28

​What permission (when assigned to a file) grants a user the ability to open, read, and edit the contents of a file?

A) ​read
B) ​write
C) ​execute
D) ​sticky bit

Question 29

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
​A named pipe connecting processes on two different computers; it can also be represented by a file on the filesystem.

Question 30

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
​The joining of text together to make on larger whole. In Linux, words and strings of text are joined together to form a displayed file.

Question 31

What are the three main structural sections of a Linux filesystem? Describe each section.

Question 32

What permission (when applied to a directory) allows a user to enter the directory and work with directory contents?​

A) ​read
B) ​write
C) ​execute
D) ​sticky bit

Question 33

To copy a directory full of files in Linux, you must tell the cp command that the copy will be ____________________ (involve files and subdirectories too) by using the -r option

Question 34

​Describe the SGID special permission, and provide an example of where this permission might be used.

Question 35

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
A popular and widespread text editor more conducive to word processing that vi. It was originally developed by Richard Stallman.​

Question 36

The ____________________ command only searches directories that are listed in a special variable called the PATH variable in the current BASH shell.

Question 37

When a user creates a file or directory, that user's name and ____________________ becomes the owner and group owner of the file, respectively.

Question 38

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
A Linux command used to display lines of text at the end of a file.​

Question 39

How does the execute permission apply to a directory?

Question 40

To create a(n) ____________________ link, you use the -s option to the ln command.

Question 41

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
​A Linux command used to display the contents of a file in octal format.

Question 42

​What two commands below will grant only the execute permission to username bob on file1, assuming that bob is the file's owner?

A) chmod 777 file1
B) chmod u=x​ file1
C) ​chmod 0110 file1
D) ​chmod a+rwx file1

Question 43

​What two special permissions can be applied in order to effectively allow a user to become owner of a file, or become a member of a group, by executing a file?

A) ​sticky bit
B) ​SUID
C) ​SGID
D) ​SQUID

Question 44

If a file's permissions are set to 760, what permission(s) are available to the group assigned to the file?​

A) ​read
B) ​write
C) ​execute
D) ​move

Question 45

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
​A Linux command used to search for and display text characters in a binary file.

Question 46

​What two commands below will work recursively if specified with the -R option?

A) ​mkdir
B) ​mv
C) ​cp
D) ​rm

Question 47

​What two commands below can be used to locate files on a filesystem?

A) ​locate
B) ​search
C) ​find
D) ​query

Question 48

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
​A common text editor used within GUI environments.

Question 49

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
​The files that represent the same data as other files.

Question 50

​Match each correct item with the statement below.​​
a.​concatenation
b.Emacs (Editor MACroS) editor​
c.​gedit editor
d.head command​
e.​linked file
f.od command​
g.​socket file
h.​strings command
i.​tail command
j.vi editor
A Linux command that displays the first set of lines of a text file.​