Task manager and system monitoring in Intro to Computing - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to list all running processes using the ps command.

Intro to Computing

ps [1]

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

A-ef

B-xyz

C-abc

D-123

Attempts:

3 left

💡 Hint

Common Mistakes

Using invalid options like -xyz or -abc

Omitting the dash before options

The ps -ef command lists all running processes in full format.

2fill in blank

medium

Complete the command to display system resource usage with top in batch mode.

Intro to Computing

top [1]

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

A-r

B-b

C-d

D-n

Attempts:

3 left

💡 Hint

Common Mistakes

Using -r which reverses sort order

Using -d which sets delay time

The -b option runs top in batch mode, suitable for scripts or logging.

3fill in blank

hard

Fix the error in the command to kill a process by its PID using kill.

Intro to Computing

kill [1]

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

Aprocess_id

B-9 process_id

Cpid

D-9 pid

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting the signal option

Using variable names instead of actual PID

The correct syntax to force kill a process is kill -9 pid, where pid is the process ID.

4fill in blank

hard

Fill in the blanks to create a dictionary comprehension that maps process IDs to their command names from a list of tuples.

Intro to Computing

proc_dict = { [1]: [2] for [3], [4] in proc_list }

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

Apid

Bcmd

Cproc_id

Dcommand

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping keys and values

Using inconsistent variable names

The dictionary comprehension maps each pid to its cmd from the list of process tuples.

5fill in blank

hard

Fill in the blanks to filter processes with CPU usage greater than 10% and create a dictionary of their names and CPU usage.

Intro to Computing

high_cpu = { [1]: [2] for [3], [4] in processes if [2] [5] 10 }

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

Aname

Bcpu

Cproc_name

Dusage

E>

F<

Gproc

Hpercent

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong variable names

Using wrong comparison operator

The comprehension creates a dictionary with process names as keys and CPU usage as values, filtering those with usage greater than 10%.