See also Chunks by Name.
Type | Subtype | Name | description |
---|---|---|---|
0 | none | XXXX | unused areas in the file |
1 | none | DATA | stored file contents |
present | attributes to restore as part of the file | ||
64 | TIME | advanced timestamp information for files | |
65 | FATR | FAT file system attributes | |
66 | MACF | Macintosh Finder info | |
67 | SECW | Win32 security information | |
68 | UNIX | UNIX file system attributes | |
69, 70 | 8D3N | “8.3”-style short name aliases | |
2 | various | INDX | directory of files stored |
3 | none | TOCN | chunk concordance |
4 | none | ENDX | end-of-archive marker |
5 | present | known data for transformation algorithms | |
64 | TREE | data to seed a frequency-based compressor | |
65 | DICT | data to seed a dictionary-based compressor | |
6 | various | AGNT | identifies creator and user-defined chunks |
7 | present | informational attributes associated with the file, but not restored with the file. | |
64 | CMNT | comments for the corresponding files | |
65 | icons for the corresponding files | ||
66 | unused | ||
67 | SIZE | file size information | |
8 | present | FORM | payload specification advanced transforms |
64 | COMP | compression algorithm | |
65 | CRYP | encryption algorithm | |
66 | — | fault-tolerance algorithm | |
9 | present | UPDP | updatable data parameters |
10 | present | META | |
11 | present | error detection or validation | |
64 | HASH | simple error detection for chunks or files | |
65 | SIGN | digital signatures for chunks or files | |
66, 67, 68 | KHSH | authentication for chunks or files | |
12 | present | RTFM | comment for the entire archive |
64 | always shown | ||
65 | general comment | ||
66 | copyright statement | ||
67 | URL | ||
13 | none | ICON | small bitmap to display |
14 | none | IDEN | identifies this file or part |
15 | = INDX | ROOT | suppliment to INDX: file source or destination |
16 | KEYD | key definition | |
b## | description for each subtype... | ||
17 | — | DEAT | A deleted chunk. Used by a program that wants to use “transactions” for file updates. |
18 | — | — | not yet defined |
19-30 | — | — | not yet defined |
31 | present | A Hedge against running out of type numbers. This will use subtypes for defining new chunk types. | |
64 | JRNL | Journaling data for transactions. Used with the DEAT chunks. |
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