Running commands in background (&) in Bash Scripting - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to run the command sleep 10 in the background.

Bash Scripting

sleep 10 [1]

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

A&&

B;

C|

D&

Attempts:

3 left

💡 Hint

Common Mistakes

Using ';' runs the command sequentially, not in background.

Using '|' pipes output, not background execution.

Using '&&' runs next command only if previous succeeds.

The ampersand (&) at the end of a command runs it in the background in bash.

2fill in blank

medium

Complete the code to run ping -c 4 google.com in the background.

Bash Scripting

ping -c 4 google.com [1]

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

A&

B;

C|

D&&

Attempts:

3 left

💡 Hint

Common Mistakes

Using '&&' runs next command only if ping succeeds.

Using '|' pipes output, not background execution.

Using ';' runs commands sequentially.

Adding '&' runs the ping command in the background, letting you use the terminal immediately.

3fill in blank

hard

Fix the error in the code to run ls -l in the background.

Bash Scripting

ls -l [1]

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

A&

B|

C&&

D;

Attempts:

3 left

💡 Hint

Common Mistakes

Using '&&' or ';' runs commands sequentially.

Using '|' pipes output instead of background execution.

The correct symbol to run a command in the background is '&'.

4fill in blank

hard

Complete the code to run echo Hello in the background and then list files.

Bash Scripting

echo Hello [1] ls ;

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

A&

B&&

C;

D|

Attempts:

3 left

💡 Hint

Common Mistakes

Using '&&' after echo waits for it to finish.

Using '|' pipes output instead of running commands separately.

Use '&' to run echo in background, then ';' to run ls after.

5fill in blank

hard

Fill both blanks to run sleep 5 in background, then print Done, and finally list files.

Bash Scripting

sleep 5 [1] echo Done [2] ls ;

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

A&

B&&

C;

D|

Attempts:

3 left

💡 Hint

Common Mistakes

Using '|' pipes output instead of sequencing commands.

Using ';' after sleep runs commands sequentially, not background.

Use '&' to run sleep in the background, '&&' after echo to run ls only if echo succeeds, and ';' after ls.