Suggestions for questions #34
Description
- Name as many ways as you can to count the number of instances of a word in a file (grep -c, wc -l, etc)
- In what circumstance can df and du disagree on available disk space? How do you solve it? (locked files)
- What is the difference between hashing and encrypting?
- In as much detail as you can, explain a 3 way handshake (how deep can they go?)
- When would you want to use UDP over TCP?
- What is LVM?
- What is /proc/mdstat?