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File Systems & Permissions

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The Hierarchy: Where is C:\?

Linux does not use drive letters like Windows (C:, D:). Instead, everything starts from a single point called the Root Directory, represented by a forward slash (/).

  • /home: Where user personal files live (like C:\Users).
  • /etc: Configuration files (like the Registry, but text-based).
  • /var: Variable data like logs and websites.
  • /bin: Binaries (executable programs).

"Everything is a file": In Linux, almost everything—documents, directories, hard drives, and even processes—is treated as a file.