Chapter 4 - Linux Filesystem Management

Question 1

The section within an inode of a file or directory that lists the permissions assigned to users and groups on the file or directory.

Answer 1

access control list (ACL)

Question 2

A command used to change filesystem attributes for a Linux file.

Answer 2

chattr (change attributes) command

Question 3

A command used to change the group owner of a file or directory.

Answer 3

chgrp (change group) command

Question 4

A command used to change the mode (permissions) of a file or directory.

Answer 4

chmod (change mode) command

Question 5

A command used to change the owner and group owner of a file or directory.

Answer 5

chown (change owner) command

Question 6

A command used to create copies of files and directories.

Answer 6

cp (copy) command

Question 7

A filesystem allocation unit in which the data that makes up the contents of the file as well as the filename are stored.

Answer 7

data blocks

Question 8

A standard outlining the location of set files and directories on a Linux or UNIX system.

Answer 8

Filesystem Hierarchy Standard (FHS)

Question 9

A command used to find files on the filesystem using various criteria.

Answer 9

find command

Question 10

A command used to list all ACL entries for a particular Linux file or directory.

Answer 10

getfacl (get file ACL) command

Question 11

When used in the mode of a certain file or directory, the collection of users who have ownership of that file or directory.

Answer 11

group

Question 12

A file joined to other files on the same filesystem that shares the same inode.

Answer 12

hard link

Question 13

The portion of a file that stores information on the file’s attributes, access permissions, location, ownership, and file type.

Answer 13

inode

Question 14

The collection of inodes for all files and directories on a filesystem.

Answer 14

inode table

Question 15

The mode that file management commands use when a file can be overwritten; the system interacts with a user asking the user to confirm the action.

Answer 15

interactive mode

Question 16

A command used to create hard and symbolic links.

Answer 16

ln (link) command

Question 17

A command used to locate files from a file database.

Answer 17

locate command

Question 18

A command used to list filesystem attributes for a Linux file.

Answer 18

lsattr (list attributes) command

Question 19

A command used to create directories.

Answer 19

mkdir (make directory) command

Question 20

The part of the inode that stores information on access permissions.

Answer 20

mode

Question 21

A command used to move/rename files and directories.

Answer 21

mv (move) command

Question 22

When used in the mode of a certain file or directory, all the users on the Linux system

Answer 22

other

Question 23

The user whose name appears in a long listing of a file or directory and who has the ability to change permissions on that file or directory.

Answer 23

owner

Question 24

Used to change user passwords.

Answer 24

passwd command

Question 25

A variable that stores a list of directories that will be searched in order when commands are executed without an absolute or relative pathname.

Answer 25

PATH variable

Question 26

A list that identifies who can access a file or folder and their level of access.

Answer 26

permissions

Question 27

The group that is specified for a user in the /etc/passwd file and set as the group owner for all files created by a user.

Answer 27

primary group

Question 28

The process of excluding files, directories, or filesystems from being processed by a command.

Answer 28

pruning

Question 29

A term referring to itself and its own contents; a _________ search includes all subdirectories in a directory and their contents.

Answer 29

recursive

Question 30

A command used to remove files and directories.

Answer 30

rm (remove) command

Question 31

A command used to remove empty directories.

Answer 31

rmdir (remove directory) command

Question 32

A command used to modify ACL entries for a particular Linux file or directory.

Answer 32

setfacl (set file ACL) command

Question 33

The portion of a command that refers to the file or directory from which information is taken.

Answer 33

source file/directory

Question 34

The portion of a filesystem that stores critical information, such as the inode table and block size.

Answer 34

superblock

Question 35

A pointer to another file on the same or another filesystem; commonly referred to as a shortcut.

Answer 35

symbolic link

Question 36

The portion of a command that refers to the file or directory to which information is directed.

Answer 36

target file/directory

Question 37

A command commonly used to create new files. Its original intended purpose was to update the time stamp on a file.

Answer 37

touch command

Question 38

A command used to locate executable files on the system; it returns the first alias or directory within the PATH variable for the command

Answer 38

type command

Question 39

A special variable used to alter the permissions on all new files and directories by taking away select default file and directory permissions.

Answer 39

umask

Question 40

The command used to view and change the umask variable.

Answer 40

umask command

Question 41

A command used to locate executable files on the system; it returns any directories within the PATH variable for the command, as well as the location of associated man pages and info pages.

Answer 41

whereis command

Question 42

A command used to locate executable files on the system; it returns any aliases and directories within the PATH variable for the command.

Answer 42

which command