INTERVIEW QUESTIONS OPERATING SYSTEMS DETAILS

Question: Describe system calls for file management?

Answer: To make changes a file must be opened. This call specifies the file name to be opened, either as an absolute path name or relative to the working directory, and a code of O_RDONLY, O_WRONLY or O_RDWR, meaning open for reading, writing or both. The file descriptor can then be used for reading or writing.

To make changes a file must be opened. This call specifies the file name to be opened, either as an absolute path name or relative to the working directory, and a code of O_RDONLY, O_WRONLY or O_RDWR, meaning open for reading, writing or both. The file descriptor can then be used for reading or writing. Source: CoolInterview.com

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