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Introduction to GNU/Linux
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To gain access to files on a device, you must first tell it where in the directory tree you would like those files to appear (mount point). This process is called mounting a filesystem.

Mount a filesystem.
Unmount a filesystem.
Mounting and unmounting a device (or a partition)

The system administrator can control which file systems are mounted at boot time, pre-determine the mount points for specific file systems, and allow some file systems to be mounted by normal users. This is configured in /etc/fstab, which includes the following fields:

  1. device
  2. mount point
  3. filesystem type
  4. options
    • noauto: not done at boot time
    • ro: read-only device
    • users: any user can mount it

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