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ISO-9660 filesystem support (with extensions)
driver ... cd cd_options ... &
Where driver is one of the devb-* drivers, and cd_options is one or more of the following, separated by commas:
- Control the case used to display ISO-9660 filenames (to a
request; all pathname matching is always performed case-insensitively on
- asis -- don't convert the filename in any way; if the CD was mastered with strict ISO-9660 compliance, the name will be in uppercase, but more lenient utilities could produce mixed-case filenames.
- lower -- convert to lowercase (the default).
- upper -- convert to uppercase.
RRIP and Joliet store case-preserving names and ignore this option.
- Set execute permission (on all non-RRIP regular files).
- Set the owning group to group for files on disks without Rock Ridge extensions. The default is 0 (root).
- Specify what to do with "hidden" files.
The hidden_mode can be one of:
- ignore -- ignore the hidden files; they don't appear in the filesystem.
- show -- (the default) show hidden files in the filesystem as normal files.
- dot -- show hidden files in the filesystem with a dot (.) prefixed to their names.
- The name of the information pseudo-directory (the default is
If the option is empty, no metadata directory is created. If the option begins with a -, then blank metadata fields are hidden; if the option begins with a +, then all metadata fields are presented but may have a length of zero.
- Disable audio extensions (the .info./audio control file).
- Disable High Sierra format.
- Disable Microsoft Joliet extensions.
- Disable multisession support (mount the first data session instead of the last).
- Disable Rock Ridge extensions.
- Set the owner to user for files on disks without Rock Ridge extensions. The default is 0 (root).
- Apply this permission mask to files on disks without Rock Ridge extensions. The default is 0 (all access permissions).
The fs-cd.so shared object provides support for ISO-9660 filesystems. It's automatically loaded by the devb-* drivers when mounting an ISO-9660 filesystem.
"CD-ROM filesystem" in the Working With Filesystems chapter of the User's Guide