I've tried to introduce the interesting questions I met through operating systems. I want to make the list as long as I can. If you guys have other interesting problems pls contact me. EMAIL: evol128@gmail.com

Please don't reference this post because it's incomplete.

1. In windows we have defragmenter to collect the fragments on the disk. What is the program we use in Linux?

2. What is the best scheduling algorithm on a flash disk? (e.g. RANDOM, Fist in first served, shortest first, Scan, F-Scan, etc)

Answers: The answer to every question is the same.