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Require a VFAT filesystem

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Lennart Poettering 2014-03-19 20:28:52 -07:00 committed by Zbigniew Jędrzejewski-Szmek
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commit e1fe8be687
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doc/BOOT_LOADER_SPECIFICATION.md
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@ -50,7 +50,7 @@ These directories are defined below the placeholder file system `$BOOT`. This pl
**Note:** _`$BOOT` should be considered **shared** among all OS installations of a system. Instead of maintaining one `$BOOT` per installed OS (as `/boot` was traditionally handled), all installed OS share the same place to drop in their boot-time configuration._
`$BOOT` can either be a FAT file system (which is probably the best choice, to allow acess/editing of the configuration from Windows and the EFI shell, too), or ext2, ext3, or ext4. Other file systems should not be used. Applications accessing `$BOOT` should hence not assume that fancier file system features such as symlinks, hardlinks, access control or case sensitivity are supported.
`$BOOT` must be a VFAT (16 or 32) file system. Other file system types should not be used. Applications accessing `$BOOT` should hence not assume that fancier file system features such as symlinks, hardlinks, access control or case sensitivity are supported.
Inside the `$BOOT/loader/entries/` directory each OS vendor may drop one or more configuration snippets with the suffix ".conf", one for each boot menu item. The file name of the file is used for identification of the boot item, but shall never be presented to the user in the UI. The file name may be chosen freely but should be unique enough to avoid clashes between OS installations. More specifically it is suggested to include the machine ID (`/etc/machine-id` or the D-Bus machine ID for OSes that lack `/etc/machine-id`), the kernel version (as returned by `uname -r`) and an OS identifier (The ID field of `/etc/os-release`). Example: $BOOT/loader/entries/6a9857a393724b7a981ebb5b8495b9ea-3.8.0-2.fc19.x86_64.conf`.