Tilde expansion (~) in Bash Scripting - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print the current user's home directory using tilde expansion.

Bash Scripting

echo [1]

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

A~

B$PWD

C/home/user

D$HOME

Attempts:

3 left

💡 Hint

Common Mistakes

Using $PWD instead of ~, which gives the current directory, not home.

Using $HOME works but is not tilde expansion.

The tilde (~) expands to the current user's home directory in bash.

2fill in blank

medium

Complete the command to list files in the home directory of user 'alice' using tilde expansion.

Bash Scripting

ls [1]

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

A~alice

B~ /alice

C~/alice

D~alice/

Attempts:

3 left

💡 Hint

Common Mistakes

Adding a slash between ~ and username breaks tilde expansion.

Using ~/alice looks for a directory named 'alice' inside your home.

Using ~alice expands to the home directory of user 'alice'.

3fill in blank

hard

Fix the error in the command to copy a file to the home directory using tilde expansion.

Bash Scripting

cp file.txt [1]/documents/

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

A"~"

B'~'

C~

D$HOME

Attempts:

3 left

💡 Hint

Common Mistakes

Quoting ~ disables tilde expansion.

Using $HOME works but is not tilde expansion.

Tilde expansion works only when ~ is unquoted. Quoting disables expansion.

4fill in blank

hard

Fill both blanks to create a directory path inside the current user's home directory.

Bash Scripting

mkdir [1]/[2]

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

A~

Bprojects

Cdocuments

D/home

Attempts:

3 left

💡 Hint

Common Mistakes

Using /home instead of ~ for home directory.

Using 'documents' instead of 'projects' if the task expects 'projects'.

Use ~ for home directory and 'projects' as the folder name.

5fill in blank

hard

Fill all three blanks to create a file path to 'notes.txt' inside user 'bob's Documents folder using tilde expansion.

Bash Scripting

cp notes.txt [1]/[2]/[3]

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

A~bob

BDocuments

Cnotes.txt

DDownloads

Attempts:

3 left

💡 Hint

Common Mistakes

Using ~bob/Downloads instead of Documents.

Putting quotes around ~bob disables expansion.

Use ~bob for bob's home, 'Documents' folder, and 'notes.txt' file.