grub-mkrescue: add page

pages/linux/grub-mkrescue.md

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+# grub-mkrescue
+
+> Make a GRUB CD/USB/floppy bootable image.
+> More information: <https://www.gnu.org/software/grub/manual/grub/grub.html#Invoking-grub_002dmkrescue>.
+
+- Create a bootable ISO from the current directory and save it as `grub.iso`:
+
+`grub-mkrescue --output {{grub.iso}} .`
+
+- Create an ISO using GRUB files from a custom directory:
+
+`grub-mkrescue --directory {{/usr/lib/grub/i386-pc}} --output {{grub.iso}} {{path/to/source}}`
+
+- Use compression for GRUB files when building the image, setting `no` disables compression:
+
+`grub-mkrescue --compress {{no|xz|gz|lzo}} --output {{grub.iso}} {{path/to/source}}`
+
+- Disable the GRUB command-line interface in the generated image:
+
+`grub-mkrescue --disable-cli --output {{grub.iso}} {{path/to/source}}`
+
+- Preload specific GRUB modules into the image:
+
+`grub-mkrescue --modules "{{part_gpt iso9660}}" --output {{grub.iso}} {{path/to/source}}`
+
+- Pass additional options directly to `xorriso`:
+
+`grub-mkrescue --output {{grub.iso}} -- {{-volid}} {{volume_name}} {{path/to/source}}`
+
+- Display help:
+
+`grub-mkrescue {{[-?|--help]}}`
+
+- Display version:
+
+`grub-mkrescue --version`