What are internal and external commands in unix?
What are special characters in unix?
What is disk block allocation in unix?
How is windows different from unix?
What is standard unix streams ?
What is $path in unix?
What is directory unix?
Is unix the first operating system?
Is unix free?
What is unix directory structure?
Is unix a language?
What does "bulk loading of a table" mean? Can you describe advantages or disadvantages of using these features?
How would you identify daemons in unix?