What is a superuser?
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How to move a background job to forward?
Why unix is secure than windows?
What are the requirements for a swapper to work?
What is the role of the kernel in unix?
Is the Process before and after the swap are the same? Give reason.
What is a directory?
What are the hidden files in unix?
What is the difference between soft link and hard link in Unix operating system ?
What are directories in unix?
List a few significant features of unix?
Difference between the fork() and vfork() system call?
How do we change file access permissions?