What are the core concepts of unix
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What is RC (return code)? What is useful for? Which are the common values?
Why do we need unix shell scripting?
How to reverse a string in Unix?
How do you make programs portable on unix and dos under such circumstances?
Explain about shell aritmetic operators and functions?
What is unix pattern?
You have a file called tonky in the directory honky. Later you add new material to tonky. What changes take place in the directory, inode, and file?
What is the root directory in unix?
What does ls mean in unix?
What language is unix written?
How do I find a pattern in unix?
How does unix work?