1 .. SPDX-License-Identifier: GPL-2.0
2
3 ==================================
4 Macintosh HFS Filesystem for Linux
5 ==================================
6
7
8 .. Note:: This filesystem doesn't have a maint
9
10
11 HFS stands for ``Hierarchical File System`` an
12 by the Mac Plus and all later Macintosh models
13 models used MFS (``Macintosh File System``), w
14 MacOS 8.1 and newer support a filesystem calle
15 HFS but is extended in various areas. Use the
16 to access such filesystems from Linux.
17
18
19 Mount options
20 =============
21
22 When mounting an HFS filesystem, the following
23
24 creator=cccc, type=cccc
25 Specifies the creator/type values as s
26 used for creating new files. Default
27
28 uid=n, gid=n
29 Specifies the user/group that owns all
30 Default: user/group id of the mountin
31
32 dir_umask=n, file_umask=n, umask=n
33 Specifies the umask used for all files
34 files and directories. Defaults to th
35
36 session=n
37 Select the CDROM session to mount as H
38 leaving that decision to the CDROM dri
39 with anything but a CDROM as underlyin
40
41 part=n
42 Select partition number n from the dev
43 sense for CDROMS because they can't be
44 For disk devices the generic partition
45 for us. Defaults to not parsing the p
46
47 quiet
48 Ignore invalid mount options instead o
49
50
51 Writing to HFS Filesystems
52 ==========================
53
54 HFS is not a UNIX filesystem, thus it does not
55 expect:
56
57 * You can't modify the set-uid, set-gid, stic
58 and gid of files.
59 * You can't create hard- or symlinks, device
60
61 HFS does on the other have the concepts of mul
62 non-standard forks are represented as hidden a
63 filesystems namespace which is kind of a cludg
64 the a little strange:
65
66 * You can't create, delete or rename resource
67 Finder's metadata.
68 * They are however created (with default valu
69 along with the corresponding data fork or d
70 * Copying files to a different filesystem wil
71 that are essential for MacOS to work.
72
73
74 Creating HFS filesystems
75 ========================
76
77 The hfsutils package from Robert Leslie contai
78 hformat that can be used to create HFS filesys
79 <https://www.mars.org/home/rob/proj/hfs/> for
80
81
82 Credits
83 =======
84
85 The HFS drivers was written by Paul H. Hargrov
86 Roman Zippel (roman@ardistech.com) rewrote lar
87 in btree routines derived from Brad Boyer's hf
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