What do most people say for “Name a Unix or Linux command”?

The usual first answers are ls, cd and pwd. In Icillion they are worth 10 points each, the least of any level.

How many answers are there to “Name a Unix or Linux command”?

58 in all: 3 on The Tip, 10 Below the Surface, 15 in The Deep, 29 in The Abyss, and a single legendary answer Below the Iceberg.

Which answers to “Name a Unix or Linux command” are the shortest and the longest?

The shortest accepted answer is “cd” and the longest is “tcpdump”.

Computer Science trivia

Name a Unix or Linux command

Everyone has a first answer to “Name a Unix or Linux command”. The game is about the second, the third and the tenth: 58 answers are accepted, ranked by how rarely people think of them.

The obvious answers

These are the answers most people give first. They count, but they barely move you: 10 points each.

The next answers people reach for

These 10 are known, but not the first thing people say. 25 points each:

cat
grep
mkdir
rm
cp
mv
echo
sudo
chmod
touch

How deep does “Name a Unix or Linux command” go?

Level	Accepted answers	Points
The Tip	3	10
Below the Surface	10	25
The Deep	15	50
The Abyss	29	85
Below the Iceberg	1	100

The Deep holds 15 answers starting with A, C, F, H, K, L, M, P, S, T and W. The Abyss has 29 more, and one legendary answer waits below them all.

Facts about this list

58 answers in total, every one of them a single word.
Shortest: “cd”. Longest: “tcpdump”.
C, S and T are the most common first letters; together they start 40% of the answers.