GENFSTAB
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Simplified POSIX sh implementation of the Arch Linux tool[1] with the same name.
This implementation is almost pure shell, and it only depends on a few POSIX
utilities. Keep note that this script makes use of files created by the kernel,
and I have not tested this script outside of Linux. So, while the script itself
is POSIX, it may not work outside of Linux.

Pseudo-filesystem identification is better on this implementation for complex
environments. Other than this, syntax and output is identical. If you are
using a simple PC, you will probably not notice any difference.


Installation
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To install you can simply run 'make install' or without make,

  +--------------------------------------------------------------------------+
  | $ mkdir -p /usr/local/bin /usr/local/share/man/man8                      |
  | $ cp genfstab   /usr/local/bin/genfstab                                  |
  | $ cp genfstab.8 /usr/local/share/man/man8/genfstab.8                     |
  |                                                                          |
  | $ chmod 755 /usr/local/bin/genfstab                                      |
  | $ chmod 644 /usr/local/share/man/man8/genfstab.8                         |
  +--------------------------------------------------------------------------+


Usage
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The syntax and usage of genfstab is the same as the Arch Linux tool.

  +--------------------------------------------------------------------------+
  | # Simply add all mounted devices to fstab                                |
  | $ genfstab >> /etc/fstab                                                 |
  |                                                                          |
  | # Only list mounted devices on /home                                     |
  | $ genfstab -f /home >> /etc/fstab                                        |
  |                                                                          |
  | # Use /mnt as root                                                       |
  | $ genfstab /mnt >> /etc/fstab                                            |
  |                                                                          |
  | # Use PARTUUID identifiers                                               |
  | $ genfstab -t PARTUUID >> /etc/fstab                                     |
  +--------------------------------------------------------------------------+

See 'genfstab --help' or the genfstab manual page for more detailed information.


References
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[1]: https://github.com/archlinux/arch-install-scripts