whoami and id commands in Linux CLI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to display the current logged-in username.

Linux CLI

[1]

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

Awhoami

Bid

Cpwd

Dls

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'id' instead of 'whoami' to get only the username.

Using 'pwd' which shows current directory, not username.

The whoami command shows the current logged-in username.

2fill in blank

medium

Complete the code to display the user ID and group ID of the current user.

Linux CLI

[1]

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

Agroups

Bwhoami

Cid

Dusers

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'whoami' which only shows username, not IDs.

Using 'groups' which shows only group names.

The id command shows user ID (UID), group ID (GID), and groups of the current user.

3fill in blank

hard

Fix the error in the command to show only the user ID number.

Linux CLI

id [1]

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

A-n

B-G

C-g

D-u

Attempts:

3 left

💡 Hint

Common Mistakes

Using '-g' which shows group ID instead of user ID.

Using '-n' which is for name, not numeric ID.

The -u option with id shows only the user ID number.

4fill in blank

hard

Fill both blanks to display the primary group name of the current user.

Linux CLI

id [1] [2]

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

A-n

B-g

C-G

D-u

Attempts:

3 left

💡 Hint

Common Mistakes

Using -G which shows all group IDs, not primary group.

Mixing up user ID options with group options.

Combining -n and -g shows only the primary group name.

5fill in blank

hard

Fill all three blanks to create a dictionary in Python showing username and user ID using shell commands.

Linux CLI

user_info = { [1]: "$(whoami)", [2]: "$(id [3])" }

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

A"username"

B"uid"

C-u

D"gid"

Attempts:

3 left

💡 Hint

Common Mistakes

Using "gid" instead of "uid" for user ID.

Forgetting quotes around dictionary keys.

This creates a Python dictionary with keys username and uid. The -u option gets the user ID number.