Answer / Madan Pal Singh

In Unix, directories are represented as special files with certain permissions that allow reading and writing of file names. They are organized in a hierarchical structure starting from the root directory (/).

What does tr H do in unix?

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What is a filter in unix? Give an example.

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What is difference between unix and windows?

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Interviewer: Lets say there is a partition of 100GB. When i tried to create a file using touch command, under any directory, it was unable to create the file- '100% full disk space'. I calculated the size of each and every directory on that partition mannually by adding each file size & in came out to be total size 50GB. Then where is the remaining 50GB ? why it is showing disk space 100% full in 'df -h' command?

2 Answers   Infosys,

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What is unix and why is it important?

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What are unix options?

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How to remove the directory in unix?

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Explain the method of changing file access permission?

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In what way the protection fault handler concludes?

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How to give execute permission for a file in unix?

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Is unix a kernel or os?

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Is mac built on unix?

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