Update cheatsheets

linux/genisoimage

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# genisoimage
+
+> Pre-mastering program to generate ISO9660/Joliet/HFS hybrid filesystems.
+> More information: <https://manpages.debian.org/latest/genisoimage/genisoimage.1.en.html>.
+
+- Create an ISO image from the given source directory:
+
+`genisoimage -o {{myimage.iso}} {{path/to/source_directory}}`
+
+- Create an ISO image with files larger than 2GiB by reporting a smaller apparent size for ISO9660 filesystems:
+
+`genisoimage -o -allow-limited-size {{myimage.iso}} {{path/to/source_directory}}`