Linux & Shell · Beginner

ls, chmod 755, grep, pipes and redirection, wc, kill, rm, tail -f, sudo, df and du, links, find, mv.

Duration: 23 min
Questions: 15
Maximum marks: 15
Wrong answer: 0 no negative

Before you start

The timer starts when you press Start test and the test is submitted automatically at 00:00.
Each correct answer earns +1. There is no negative marking.
Mark for review lets you come back to a question. Marked questions that have an answer are still scored.
If the page reloads or your connection drops, your answers and remaining time are kept on this device.
Keyboard: 1–4 choose · N next · P previous · M mark for review.

Not visited Not answered Answered Marked for review Answered & marked

I have read the instructions Back

Question 1 Files Beginner Practice

What does ls -la show?

Only directories Only hidden files Files sorted by size All files including hidden ones (names starting with a dot) in long format – permissions, links, owner, group, size and date

Question 6 Text tools Beginner Practice Answer computed

What does this print?

printf 'a\nb\nc\n' | wc -l

Your answer

Questions 0 of 15 answered

Answered 0 Not answered 0 Marked 0 Not visited 15