Move pages under tldr, lint run.sh, update docs

tldr/linux/genfstab

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# genfstab
+
+> Arch Linux install script to generate output suitable for addition to an fstab file.
+> More information: <https://man.archlinux.org/man/extra/arch-install-scripts/genfstab.8>.
+
+- Display an fstab compatible output based on a volume label:
+
+`genfstab -L {{path/to/mount_point}}`
+
+- Display an fstab compatible output based on a volume UUID:
+
+`genfstab -U {{path/to/mount_point}}`
+
+- A usual way to generate an fstab file, requires root permissions:
+
+`genfstab -U {{/mnt}} >> {{/mnt/etc/fstab}}`
+
+- Append a volume into an fstab file to mount it automatically:
+
+`genfstab -U {{path/to/mount_point}} | sudo tee -a /etc/fstab`