How to check if the previous command was run successfully?


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More Shell Script Interview Questions

What is an sh file?

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How do you know which shell I am using?

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What is a scripting language simple definition?

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How to rename all the files in a folder having specific extension? Example: I have some files with extension (.txt) in a folder name 'Test'. I have to rename all the .txt files in a test and its subdirectories to .my extension.

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How does ls command work?

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How do you read arguments in a shell program - $1, $2 ..?

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Is scripting and coding the same thing?

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Where cron file kept?

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When we login into our account which files are executed?

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What is .sh file in mac?

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Write a shell script that adds two numbers if provided as the command line argument and if the two numbers are not entered throws an error message.

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1.Write a script, which converts a number from binary to hexadecimal format or vice versa.

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