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💻 Computer Science & IT

Linux & the shell

Permissions, pipes, processes and the handful of commands that get you out of trouble on a server.

8questions

easydifficulty

+16max XP (1st try)

not rated yet

Question 1 of 8

`chmod 644 file` gives:

Question 2 of 8

What does the pipe in `ps aux | grep node` do?

Question 3 of 8

`2>/dev/null` at the end of a command:

Question 4 of 8

Which signal does `kill -9` send, and why is it a last resort?

Question 5 of 8

`grep -r "TODO" .` searches:

Question 6 of 8

What does `df -h` show?

Question 7 of 8

In a shell script, `set -e` makes the script:

Question 8 of 8

An absolute path always starts with:

0/8 answered

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