ls (list files and directories) in Linux CLI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the command to list all files and directories in the current folder.

Linux CLI

ls [1]

Drag options to blanks, or click blank then click option'

A-a

B-l

C-h

D-r

Attempts:

3 left

💡 Hint

Common Mistakes

Using -l shows details but not hidden files.

Using -h is for human-readable sizes, not listing all files.

The -a option shows all files, including hidden ones starting with a dot.

2fill in blank

medium

Complete the command to list files with detailed information.

Linux CLI

ls [1]

Drag options to blanks, or click blank then click option'

A-a

B-l

C-r

D-t

Attempts:

3 left

💡 Hint

Common Mistakes

Using -a shows hidden files but not detailed info.

Using -r reverses order but doesn't show details.

The -l option lists files with details like permissions, owner, size, and modification date.

3fill in blank

hard

Fix the error in the command to list files sorted by modification time.

Linux CLI

ls [1]

Drag options to blanks, or click blank then click option'

A-l

B-a

C-r

D-t

Attempts:

3 left

💡 Hint

Common Mistakes

Using -l shows details but does not sort by time.

Using -r reverses order but does not sort by time.

The -t option sorts files by modification time, newest first.

4fill in blank

hard

Fill both blanks to list files with detailed info, sorted by time.

Linux CLI

ls [1] [2]

Drag options to blanks, or click blank then click option'

A-l

B-a

C-t

D-r

Attempts:

3 left

💡 Hint

Common Mistakes

Using -a instead of -l misses detailed info.

Using -r reverses order but doesn't sort by time.

Use -l for details and -t to sort by modification time.

5fill in blank

hard

Fill all three blanks to list all files, detailed, in reversed order.

Linux CLI

ls [1] [2] [3]

Drag options to blanks, or click blank then click option'

A-a

B-l

C-t

D-r

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting -a hides hidden files.

Using -t instead of -r does not reverse order.

-a shows all files, -l shows details, and -r reverses the sort order.