Escape characters (\) in Bash Scripting - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print a double quote inside the string.

Bash Scripting

echo "She said, \[1]Hello\[1]"

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

A\

B'

C"

D$

Attempts:

3 left

💡 Hint

Common Mistakes

Using single quotes instead of escaping double quotes.

Not escaping the double quotes, causing syntax errors.

To print double quotes inside a double-quoted string in bash, you escape them with a backslash (\").

2fill in blank

medium

Complete the code to print a newline character using echo.

Bash Scripting

echo -e "First line[1]Second line"

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

A\n

B\\

C\r

D\t

Attempts:

3 left

💡 Hint

Common Mistakes

Using \t which inserts a tab instead of a newline.

Not using -e option, so escape sequences are not interpreted.

The escape sequence \n inserts a newline in the output when used with echo -e.

3fill in blank

hard

Fix the error in the code to correctly print a backslash character.

Bash Scripting

echo "This is a backslash: [1]"

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

A/

B\\

C"

D\

Attempts:

3 left

💡 Hint

Common Mistakes

Using a single backslash which escapes the next character.

Using a forward slash instead of backslash.

To print a single backslash, you need to escape it with another backslash, so use \\.

4fill in blank

hard

Fill both blanks to print a tab and a newline in the output.

Bash Scripting

echo -e "Column1[1]Column2[2]End"

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

A\t

B\n

C\r

D\\

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up \r (carriage return) with \n (newline).

Not using -e option so escapes are not processed.

Use \t for tab and \n for newline inside echo -e to format output.

5fill in blank

hard

Fill all three blanks to create a string with a literal dollar sign, a double quote, and a backslash.

Bash Scripting

echo "Price: [1]100, Quote: [2]Hello[2], Path: C:[3]Users"

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

A\$

B\"

C\\

D\n

Attempts:

3 left

💡 Hint

Common Mistakes

Not escaping the dollar sign causing variable expansion.

Using single backslash for backslash printing.

Not escaping double quotes causing syntax errors.

Escape $ with \$, double quote with \" and backslash with \\ inside double quotes.