What is unix operating system and its features?
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What is a shell?
Explain how do you create special files like named pipes and device files?
Differentiate swapping and paging.
Differentiate relative path from an absolute path?
What does cp mean in unix?
What is alias mechanism? Explain.
Is unix free?
What do you mean by unix operating system?
What are different types of files in unix?
What is ps1 and ps2 in unix?
What does tr H do in unix?
How to know the present working directory in unix?