2.2 Basic File Commands

Question 1

Characteristics of a Linux file system:

Answer 1

File system does not have a drive letter
Everything is considered as a file including directories and folders
The topmost directory is represented as ‘/’

Question 2

What directory is the default directory when logging in to the terminal?

Answer 2

Home directory

Question 3

What does ls -a do?

Answer 3

Lists all contents including hidden files and folders

Question 4

What does ls -l do?

Answer 4

includes metadata

Question 5

what does ls -h do?

Answer 5

Human readable file size, normally used together with -I

Question 6

What does ls -d

Answer 6

list current directory, normally used with -l

Question 7

what does ls -R

Answer 7

Recursive listing

Question 8

What does ls -S do?

Answer 8

List sorted by size (Largest first)

Question 9

What does ls -t do?

Answer 9

List sorted by modification timestamp (most recent first)

Question 10

What are metacharacters?

Answer 10

• Can be used to specify patterns to match filenames in a directory
• Also referred to as “wildcards”
• Are interpreted by the shells first before running a command

Question 11

What do these characters do?
- *
- ?
- []
- !

Answer 11

Represents zero or more of any character
Represents a single character
Represents range of characters
Used with [] to negate a range