which and whereis for commands in Linux CLI - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to find the path of the 'ls' command using 'which'.

Linux CLI

which [1]

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

Aecho

Bpwd

Ccd

Dls

Attempts:

3 left

💡 Hint

Common Mistakes

Using commands like 'pwd' or 'cd' instead of 'ls' in the 'which' command.

Forgetting to put the command name after 'which'.

The 'which' command shows the full path of the executable for the given command name. Here, 'ls' is the command we want to find.

2fill in blank

medium

Complete the code to find all locations of the 'bash' command using 'whereis'.

Linux CLI

whereis [1]

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

Acat

Bls

Cbash

Dgrep

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'whereis' with commands other than 'bash' when the question asks for 'bash'.

Confusing 'which' and 'whereis' commands.

'whereis' locates the binary, source, and manual page files for a command. Here, we want to find all locations related to 'bash'.

3fill in blank

hard

Fix the error in the code to correctly find the path of the 'python3' command using 'which'.

Linux CLI

which [1]

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

Apython3

Bpython

Cpythn3

Dpython2

Attempts:

3 left

💡 Hint

Common Mistakes

Misspelling the command name as 'pythn3'.

Using 'python' or 'python2' when the question asks for 'python3'.

The correct command name is 'python3'. Misspelling it like 'pythn3' will cause an error or no output.

4fill in blank

hard

Fill both blanks to find the path of 'grep' using 'which' and all related files using 'whereis'.

Linux CLI

which [1] && whereis [2]

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

Agrep

Bls

Ccat

Dawk

Attempts:

3 left

💡 Hint

Common Mistakes

Using different command names after 'which' and 'whereis'.

Using unrelated commands like 'ls' or 'cat' instead of 'grep'.

Both commands need the same command name 'grep' to find its path and related files.

5fill in blank

hard

Fill all three blanks to create a script that finds the path of a command stored in variable 'cmd' using 'which', then finds all related files using 'whereis'.

Linux CLI

cmd='[1]'
which [2]
whereis [3]

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

Anano

B$cmd

Dls

Attempts:

3 left

💡 Hint

Common Mistakes

Not using the variable 'cmd' in the 'which' and 'whereis' commands.

Assigning the wrong command name to 'cmd'.

The variable 'cmd' is assigned the command name 'nano'. Then 'which $cmd' and 'whereis $cmd' use the variable 'cmd' to find paths and related files.