Single quotes (literal strings) in Bash Scripting - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to assign the literal string 'Hello World' to the variable greeting using single quotes.

Bash Scripting

greeting=[1]Hello World[2]

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

A'

B"

C`

D\

Attempts:

3 left

💡 Hint

Common Mistakes

Using double quotes instead of single quotes changes how variables inside the string are handled.

Forgetting to close the quotes causes syntax errors.

Single quotes in bash preserve the literal value of each character inside them. So to assign a literal string, use single quotes around the text.

2fill in blank

medium

Complete the code to print the literal string $HOME without expanding the variable.

Bash Scripting

echo [1]$HOME[2]

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

A'

B"

C`

Attempts:

3 left

💡 Hint

Common Mistakes

Using double quotes causes the variable to expand.

Not quoting the string causes the shell to interpret $HOME.

Using single quotes around $HOME prevents the shell from expanding the variable, so it prints the literal text $HOME.

3fill in blank

hard

Fix the error in the code to assign the string It's sunny to the variable weather using single quotes.

Bash Scripting

weather=[1]It's sunny[2]

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

A'

B"

C\'

D`

Attempts:

3 left

💡 Hint

Common Mistakes

Trying to put a single quote inside single quotes without escaping.

Using backslash inside single quotes does not work as expected.

Single quotes cannot contain single quote characters inside them. Using double quotes allows the apostrophe inside the string.

4fill in blank

hard

Fill both blanks to assign the literal string $USER's home is /home/$USER to the variable info using single quotes and double quotes correctly.

Bash Scripting

info=[1]$USER's home is /home/[2]$USER

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

A"

B'

C$

D\

Attempts:

3 left

💡 Hint

Common Mistakes

Using only single quotes causes variables not to expand.

Using only double quotes causes problems with the apostrophe.

Use double quotes to allow variable expansion and include the apostrophe, then use single quotes to prevent expansion for the literal part.

5fill in blank

hard

Fill both blanks to create a variable path that holds the literal string /home/$USER/Documents using single quotes and variable expansion.

Bash Scripting

path=[1]/home/$USER[2]/Documents

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

A"

D'

Attempts:

3 left

💡 Hint

Common Mistakes

Putting the whole string in single quotes prevents variable expansion.

Not quoting parts causes syntax errors.

Use single quotes for the literal /home/, then no quotes for $USER to expand it, then double quotes for /Documents to complete the string.