Auto: Mount the file system automatically at boot time.The options control how your system mounts and uses the file systems. OptionsĪ comma-separated list of mount options for the listed storage device. If a storage device has the wrong type value, you might come across errors with the file system.
The Linux kernel needs to know which driver to use to access your file system correctly because different file systems have different capabilities and features. It defines the type of file system used some common ones include ext4, XFS, NTFS, etc. The system needs to mount each file system in the correct directory.įor example, the root file system is usually mounted on the root (/) directory and is separate from user directories which are mounted on the /home directory. The mount point specifies the directory on which a storage device should be mounted. The mount command also utilizes fstab to mount a hard drive or any storage devices whenever you run appropriate mounting commands. It contains the device or file system the system should mount at boot. Each line is delimited by white spaces and contains the following six sections: 1. The ext4 (extended filesystem version 4) is prominent on Linux and Unix Systems. Some common file systems include NTFS, FAT, ext4, etc. Security: Protecting the integrity of the files stored on a storage device, for example, via checksums or journalingįurther, file systems provide support for file-level permissions, compression, or encryption.
Organization: They provide a hierarchy of directories for better organization.On Linux, file systems are very important for the following reasons: Without file systems, it would be difficult to locate and access specific files on the storage device, and the operating system would not be able to keep track of which areas of the storage are in use and which are free. A file system is a way in which your computer organizes and stores data on storage devices such as solid-state drives (SSDs) and flash drives.
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