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See the HFS MACINTOSH FILE FORMATSsection below for more about formats mkisofssupports. When used with various HFS or UDF options, mkisofswill attempt to recognise files stored in a number of Apple/Unix file formatsand will copy the data and resource forks as well as anyrelevant finder information. Anexample of this would be the files foo.bar andfoo.bar.~1~ - the file foo.bar.~1~ would be written as FOO000.BAR 1 and the filefoo.bar would be written as FOO.BAR 1

mkisofsassigns weightings to each filename, and if two names that are otherwise thesame are found the name with the lower priority is renamed to have a 3 digitnumber as an extension (where the number is guaranteed to be unique). mkisofsgenerally tries to form correct names by forcing the UNIX filename to uppercase and truncating as required, but often times this yields unsatisfactoryresults when there are cases where thetruncated names are not all unique. This filename is used on systems that are not able to make use ofthe Rock Ridge extensions (such as MS-DOS), and each filename in each directorymust be different from the other filenames in the same directory. Mkisofstakes a snapshot of a given directory tree, and generates abinary image which will correspond to an ISO-9660 or Joliet/HFS/UDF filesystem whenwritten to a block device.Įach file written to the ISO-9660 filesystem must have a filename in the 8.3format (8 characters, period, 3 characters, all upper case), even if Rock Ridgeattributes are in use. See the HFS MACINTOSH FILE FORMATSsection below. These extensions provide each file with CREATOR, TYPE andcertain Finder Flags when accessed from a Macintosh.

HFS stands for Hierarchical File Systemand is the native file system used on Macintosh computers up to Mac OS 9.Īs an alternative, mkisofscan generate the Apple Extensions to ISO-9660or UDFfor each file. The same files are seen as HFS files whenaccessed from a Macintosh and as ISO-9660 files when accessed from other machines. Mkisofscan generate a true(or shared)HFS hybrid filesystem. If Joliet, HFS or UDF hybrid command line options are specified, mkisofswill create additional separate filesystem meta data for Joliet, HFS or UDF.The file content in this case refers to the same data blocks on the media.Itwill generate a pure ISO-9660 filesystem unless the Joliet, HFS or UDF hybrid commandline options are given.

Mkisofsis capable of generating the System Use Sharing Protocol records (SUSP)specifiedby the Rock Ridge Interchange Protocol.This is used to further describe thefiles in the ISO-9660 filesystem to a UNIX host, and provides information suchas longer filenames, uid/gid, posix permissions, symbolic links, hard links,block and character devices. 200 GB).If yo like to have fileslarger than 2 GB, you need to specify -iso-level 3or above.If a HFS hybrid is created, the maximumfile size for files in the HFS hybrid is 2 GB in any case. ISO-9660/JOLIET/UDF filesystems are limited to a maximum size of 8 TB.The maximum size of a single file is 8 TB (single files in UDF are currently limited to aprox. Mkisofs -find ĭESCRIPTION mkisofsis effectively a pre-mastering program to generate an ISO-9660/JOLIET/HFS/UDF hybridfilesystem. Index NAMEmkisofs - create an hybrid ISO-9660/JOLIET/HFS/UDF filesystem-image with optional Rock Ridge attributes.