Deck 4: Linux Filesystem Management

Question 1

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

Answer 1

True

Question 2

To create a hard link, you must use the ____ command.

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

Answer 2

A

Question 3

In the FHS, the ____ directory is the root user's home directory.

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

Answer 3

D

Question 4

When using the find command, the -size x criteria is used to search for files with a size greater than x. _________________________

Question 5

The chgrp command takes ____ argument(s) at minimum.

A) one
B) two
C) three
D) four

Question 6

You can see the contents of a certain variable in memory by using the ____ metacharacter with the echo command.

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

Question 7

You can use wildcard metacharacters with the find command.

Question 8

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

Question 9

The PATH variable lists directories that are searched for executable files if a relative or absolute pathname was not specified when executing a command on the command line. _________________________

Question 10

The ____ section of a filesystem is the section that contains information about the filesystem in general.

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

Question 11

To move files, you can use the mv command.

Question 12

The ____ command takes a list of arguments specifying the absolute or relative pathnames of files to remove.

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

Question 13

The fastest method to search for files in the Linux directory tree is to use the ____ command.

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

Question 14

To create a subdirectory, you would use the makedir command. _________________________

Question 15

When working with files, the special metacharacter ".." specifies the current directory. _________________________

Question 16

When using the chmod command, if there is no character specifying the category of user to affect, only the group category is affected.

Question 17

Copying a file can be accomplished using the ____ command.

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

Question 18

The execute permission for a file allows a user the ability to execute the file in memory (if it is a program file or a script). _________________________

Question 19

In the FHS, the ____ directory contains the Linux kernel and files used by the boot loader.

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

Question 20

In the FHS, the ____ directory contains most system commands and utilities.

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

Question 21

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Command used to view your current user name.

Question 22

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Command used to change the group owner of a file or directory.

Question 23

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Command used to view your group memberships and primary group.

Question 24

To set all of the special permissions on a certain file or directory, you can use the command ____, where name is the name of the file or directory.

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

Question 25

When using the chmod command for a specific file, the ____ argument would add read permission and remove write permission for the group permissions.

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

Question 26

In a file's mode, if a permission is unavailable, a(n) ____ character replaces its position in the mode.

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

Question 27

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

Question 28

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

Question 29

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 30

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

Question 31

When using the chmod command, the mode rwx can be represented by the number ____.

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

Question 32

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Command used to displays BASH shell aliases.

Question 33

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Special variable on the system used to take away permissions on new files and directories immediately after they are created.

Question 34

The section of an inode that stores permissions is called the ____ of the file.

A) tail
B) head
C) mode
D) accessor

Question 35

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Command used to change the ownership of a file or directory.

Question 36

___________________________________ 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 37

If a user has ____ permission for a file, they can open, read, and edit the contents of a file.

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

Question 38

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Command used to change the permissions for a certain file or directory.

Question 39

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Command used to quickly create an empty file.

Question 40

Match each term with the correct statement below.
a.chgrp
f.chown
b.groups
g.ping
c.alias
h.whoami
d.touch
i.umask
e.chmod
Command used to test network connectivity.

Question 41

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

Question 42

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

Question 43

How does the execute permission apply to a directory?

Question 44

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

Question 45

What is the difference between the mv and cp commands, in terms of the way that they work on directories? How do you copy a directory full of files in Linux?