Command structure (command, options, arguments) in Linux CLI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to list files in long format.

Linux CLI

ls [1]

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

A-l

B-a

C-h

D-r

Attempts:

3 left

💡 Hint

Common Mistakes

Using -a shows hidden files but not detailed info.

Using -h shows sizes in human-readable form but needs -l for details.

The -l option shows files in long listing format.

2fill in blank

medium

Complete the command to show all files including hidden ones.

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 not hidden files.

Using -r reverses order but does not show hidden files.

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

3fill in blank

hard

Fix the error in the command to copy file1 to file2.

Linux CLI

cp [1] file2

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

A-a

B-r

Cfile1

Dfile3

Attempts:

3 left

💡 Hint

Common Mistakes

Using options like -r when copying a single file causes errors.

Specifying wrong source filename.

The command copies file1 to file2. The source file must be specified without options.

4fill in blank

hard

Fill both blanks to find all .txt files in the current directory.

Linux CLI

find . [1] [2] '*.txt'

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

A-type f

B-name

C-iname

D-type d

Attempts:

3 left

💡 Hint

Common Mistakes

Using -type d finds directories, not files.

Using -iname matches case-insensitive but is not required here.

-type f limits results to files, and -name '*.txt' matches files ending with .txt.

5fill in blank

hard

Fill all three blanks to move all .log files to the logs directory.

Linux CLI

mv [1] [2] [3]

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

A-v

B*.log

Clogs/

D-i

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting the destination directory.

Using options in wrong order.

The -v option shows what is moved, *.log selects all log files, and logs/ is the destination directory.