OS: virtual memory & page cache

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Task

📝 **Question:** Why is `cat huge_file > /dev/null` faster the second time?

📋 Pick the right answer.

💡 **Hint:** Re-read the theory above if unsure.

Design patterns: Strategy

Two pointers: pair sum

Two pointers: palindrome check

Prerequisites — what you should know before this track

Prerequisites — what you should know before this track

🎯 Quiz

Question

📝 **Question:** Why is `cat huge_file > /dev/null` faster the second time?

📋 Pick the right answer.

💡 **Hint:** Re-read the theory above if unsure.

💬 Discussion