nohup for persistent processes in Linux CLI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to run a command that keeps running after logout using nohup.

Linux CLI

nohup [1] &

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

Aexit

Bls

Ccd /home

Dsleep 60

Attempts:

3 left

💡 Hint

Common Mistakes

Using commands that finish immediately like ls.

Using commands that change directory like cd.

The nohup command runs sleep 60 so it continues even after logout.

2fill in blank

medium

Complete the code to redirect nohup output to a file named output.log.

Linux CLI

nohup sleep 60 [1] output.log &

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

A>

B>>

C2>

D<

Attempts:

3 left

💡 Hint

Common Mistakes

Using >> appends instead of overwriting.

Using < is for input redirection.

The > operator redirects standard output to output.log, overwriting it.

3fill in blank

hard

Fix the error in the command to run a script persistently with nohup.

Linux CLI

nohup [1] script.sh &

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

Abash

Bexecute

Crun

Dstart

Attempts:

3 left

💡 Hint

Common Mistakes

Using commands like run or execute which do not exist.

Forgetting to specify the shell to run the script.

Use bash to run the script file with nohup. Other options are not valid commands.

4fill in blank

hard

Fill both blanks to run a Python script persistently and redirect both output and errors to log.txt.

Linux CLI

nohup python3 [1] [2] log.txt &

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

Ascript.py

B>

C2>&1

D<

Attempts:

3 left

💡 Hint

Common Mistakes

Using input redirection < instead of output.

Not specifying the script file name.

Use script.py as the script name and 2>&1 to redirect stderr to stdout, which is redirected to log.txt. The full command should be nohup python3 script.py > log.txt 2>&1 &.

5fill in blank

hard

Fill all three blanks to run a long command persistently, redirect output and errors to nohup.out, and run in background.

Linux CLI

nohup [1] [2] nohup.out [3] &

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

Along_running_command

B>

C2>&1

D<

Attempts:

3 left

💡 Hint

Common Mistakes

Using input redirection < instead of output.

Not redirecting errors properly.

Use long_running_command as the command, > to redirect output, and 2>&1 to redirect errors to the same file.