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Unix / Linux Interview Questions & Answers

Unix / Linux Technical Interview Questions

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What do read, write, and execute permissions mean for a directory?

Read permits listing directory entry names. Execute, also called search permission, permits traversing the directory and accessing an entry when its name is known, subject to the entry’s own permissio...

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How do absolute and relative paths differ, and why does the working directory matter in scripts?

An absolute path starts at the filesystem root, while a relative path is interpreted from the process’s current working directory. A script launched by a scheduler or service may start in a different ...

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