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Linux Interview Questions and Answers

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Related differences

Linux vs Unix

Ques 1. What is the purpose of the 'chmod' command in Linux?

The 'chmod' command is used to change the permissions of a file or directory in Linux.

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Ques 2. Explain the difference between 'rm' and 'rmdir' commands.

'rm' is used to remove files, while 'rmdir' is used to remove empty directories.

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Ques 3. What is the role of the 'grep' command in Linux?

'grep' is used for searching patterns in files. It stands for 'Global Regular Expression Print.'

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Ques 4. How do you check the free disk space in Linux?

The 'df' command is used to display the amount of disk space available on the file system.

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Ques 5. Explain the purpose of the 'ls' command.

'ls' is used to list files and directories in a directory.

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