What is a shell?
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How do you switch from any user type to a super user type?
Differentiate between absolute and related path?
What is the ‘nohup’ in unix?
A process is running for 1000 times.How to kill all processes except one i.e kill 999 processes?
What is awk sed unix?
How to remove the first line/header from a file in Unix?
What do you understand by the term single user system?
Explain what are links and symbolic links in unix file system?
Write a script that prints out date information in this order: time, the day of week, day number, month, year(sample output: 17:34:51 pdt sun 12 feb 2012)
Is unix free to use?
How to null a file in unix?
Explain how and when a DNS request is solved when a user tries to surf to the site www.abcdeg.in .Assume the user machine uses a local name server and sits on another network other than www.abcdef.in.