Tools / Shell Scripting Interview Questions

What is a shell?

Shell is an interface between the user and the kernel. Even though there can be only one kernel; a system can have many shells running simultaneously. So, whenever a user enters a command through the keyboard, the shell communicates with the kernel to execute it and then displays the output to the user.

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What is a shell? What is Shell Scripting? Different types of commonly used shells on a typical Linux system. What is a Symlink? Why is shell scripting required? What is a Shell Variable? Mention few limitations of shell scripting? What is the extension of Shell program files? What are the different types of shells? Differences between CSH and BASH.

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Application Security Interview Questions

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