How to restrict NULL value in UNIX
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What are the advantages and disadvantages of unix operating system?
What is .profile unix?
How to remove files in unix?
Differentiate swapping and paging.
Explain the term filter.
Explain how do we change file access permissions?
What are directories in unix?
What is .login file in unix?
Is it possible to restrict incoming message?
Which data structure is used to maintain the file identification?
What is unix orphan process?
Explain the following statement, “it is not advisable to use root as the default login.”