what is wrong with this interactive shell script?
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How to remove files in unix?
following two file are file a file b 110 aab 330 xxl i want the output like file a fileb 110 xxl 330 aab give solution ?
Describe the concept of “region”.
What are the file permissions and access modes in unix?
What is $# in unix?
What are the phases of swapping a page from the memory?
How to give execute permission for a file in unix?
Describe the term directory?
What are the pros of executing processes in the background?
What are system variables in unix?
Is unix more secure than windows?
Is unix the first operating system?