42 interview questions for developers (2024)

Hard

1 vote170 runs0 comment

What does the shell prompt `user@user:~$` mean?

System Administrator

bash

shell

titouan lecampat Sep 19, 2022

Hard

1 vote169 runs0 comment

Find all rows containing patterns 1 and 2 in a file using Bash

System Administrator

bash

grep

regular expression

titouan lecampat Sep 19, 2022

Hard

1 vote149 runs1 comment

How to count the number of lines in a file in Bash

System Administrator

bash

command line

wc

titouan lecampat Mar 23, 2022

Medium

1 vote71 runs0 comment

How to set the permissions of a file in Bash?

System Administrator

permissions

chmod

titouan lecampat Mar 23, 2022

Hard

1 vote63 runs0 comment

Which line deletes all files in a directory? (visible and hidden files)

System Administrator

bash

files

F. Boutalebat Apr 28, 2023

Hard

0 vote199 runs0 comment

Find the default shell for a user in Bash

System Administrator

bash

shell

titouan lecampat Sep 19, 2022

Hard

0 vote190 runs0 comment

Display lines containing 'Error' in all .txt files

System Administrator

grep

bash

titouan lecampat Sep 19, 2022

Expert

0 vote175 runs0 comment

Write a bash script that prints the numbers from 1 to 11.

System Administrator

bash

functions

arguments

titouan lecampat Sep 19, 2022

Expert

0 vote159 runs0 comment

How to use egrep and diff in Bash

System Administrator

bash

command line

titouan lecampat Sep 19, 2022

Medium

0 vote150 runs0 comment

Write a Bash script that counts the number of lines in all text files in the current directory.

System Administrator

bash

loops

files

titouan lecampat Sep 19, 2022

Medium

0 vote150 runs0 comment

What does 2>&1 means in the script below? ``` compile "$i" > "${i%.txt}".ass 2>&1 ```

System Administrator

bash

redirect

titouan lecampat Sep 19, 2022

Hard

0 vote149 runs0 comment

Write a Bash script that prints 3.

System Administrator

bash

variables

operators

titouan lecampat Sep 19, 2022

Hard

0 vote149 runs0 comment

How to do an infinite loop in bash?

System Administrator

loops

bash

titouan lecampat Mar 23, 2022

Hard

0 vote148 runs0 comment

Write the first 10 lines of a file in Bash

System Administrator

bash

file

titouan lecampat Mar 23, 2022

Hard

0 vote148 runs0 comment

Explain what happens when the user types a command in a shell.

System Administrator

shell

command

titouan lecampat Mar 23, 2022

Medium

0 vote146 runs0 comment

Declare a function in Bash with or without the keyword `function`

System Administrator

functions

titouan lecampat Mar 23, 2022

Hard

0 vote146 runs0 comment

Return the parent directory of a path in Bash

System Administrator

bash

command line

titouan lecampat Mar 23, 2022

Hard

0 vote145 runs0 comment

Switch to privileged mode in Bash

System Administrator

sudo

privileges

titouan lecampat Sep 19, 2022

Easy

0 vote144 runs0 comment

Write an extra line to a file in Bash

System Administrator

files

bash

titouan lecampat Mar 23, 2022

Hard

0 vote126 runs0 comment

Write a Bash script that displays the ordered indices of all folders and files at the root.

System Administrator

bash

arrays

for loop

titouan lecampat Mar 23, 2022

42 interview questionsfor developers (2024)

Test your developer skills before an interview with 42 corrected questions on 80+ topics. Beginner, Intermediate or Expert level.

What does the shell prompt `user@user:~$` mean?

Find all rows containing patterns 1 and 2 in a file using Bash

How to count the number of lines in a file in Bash

How to set the permissions of a file in Bash?

Which line deletes all files in a directory? (visible and hidden files)

Find the default shell for a user in Bash

Display lines containing 'Error' in all .txt files

Write a bash script that prints the numbers from 1 to 11.

How to use egrep and diff in Bash

Write a Bash script that counts the number of lines in all text files in the current directory.

What does 2>&1 means in the script below? ``` compile "$i" > "${i%.txt}".ass 2>&1 ```

Write a Bash script that prints 3.

How to do an infinite loop in bash?

Write the first 10 lines of a file in Bash

Explain what happens when the user types a command in a shell.

Declare a function in Bash with or without the keyword `function`

Return the parent directory of a path in Bash

Switch to privileged mode in Bash

Write an extra line to a file in Bash

Write a Bash script that displays the ordered indices of all folders and files at the root.