Explain some of the fundamental concepts of unix?
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What is output of the following?
How to reverse a string in Unix?
Explain the following statement, “it is not advisable to use root as the default login.”
What does ls mean in unix?
How to know the ip address of user system?
Is unix a network operating system?
What is Process id in unix?
What is utility unix?
What is unix computer?
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)
What does $? Mean in unix?
What Happens when you execute a program?