OS/2 PACK2 archive - Revision history

Jsummers: /* Software */

2024-03-12T19:00:10Z

‎Software

Jsummers at 15:28, 12 March 2024

2024-03-12T15:28:08Z

Jsummers: Jsummers moved page FTCOMP to OS/2 PACK2 archive: Sometimes called "PACK2" format by OS/2 users. Best I can do for a name.

2024-03-12T15:22:44Z

Jsummers moved page FTCOMP to OS/2 PACK2 archive: Sometimes called "PACK2" format by OS/2 users. Best I can do for a name.

Jsummers at 14:28, 10 March 2024

2024-03-10T14:28:23Z

Jsummers: /* Software */

2024-03-09T12:17:13Z

‎Software

Jsummers at 19:00, 8 March 2024

2024-03-08T19:00:11Z

Screwtape: I found the actual official tools for working with this format.

2024-01-17T10:07:33Z

I found the actual official tools for working with this format.

Jsummers: /* Sample files */

2018-05-16T17:10:11Z

‎Sample files

Jsummers: Created page with "{{FormatInfo |formattype=electronic |subcat=Archiving |extensions={{ext|??_}}, {{ext|??@}}, others }} '''FTCOMP''' is the signature of a compressed archive format used on OS/2..."

2018-05-16T17:01:15Z

Created page with "{{FormatInfo |formattype=electronic |subcat=Archiving |extensions={{ext|??_}}, {{ext|??@}}, others }} '''FTCOMP''' is the signature of a compressed archive format used on OS/2..."

New page

{{FormatInfo
|formattype=electronic
|subcat=Archiving
|extensions={{ext|??_}}, {{ext|??@}}, others
}}
'''FTCOMP''' is the signature of a compressed archive format used on OS/2, particularly by software installers. Whether "FTCOMP" is the correct name of the format is unknown.

== Identification ==
Files apparently begin with bytes {{magic|a5 96 fd ff}}.

== Software ==
* https://github.com/martinlindhe/formats - Supports FTCOMP in some way

== Sample files ==
* http://cd.textfiles.com/venus/64v2/os2/ → *.pk2
* http://cd.textfiles.com/hobbesos29709/disk1/GAMES/MAH21DE.ZIP *@
* http://cd.textfiles.com/hobbesos29709/disk1/GAMES/SEAHAV23.ZIP → *_
* http://cd.textfiles.com/hobbesos29709/disk1/GAMES/TOYLAND.ZIP → *_

[[Category:OS/2]]

@@ Line 22: / Line 22: @@
 == Software ==
-* The OS/2 3.0 and 4.0 install CDs contain OS/2 command-line tools UNPACK.EXE and UNPACK2.EXE (some files that cannot be unpacked with UNPACK will work with UNPACK2)
+OS/2 software:
-* The OS/2 Developer's Toolkit contains OS/2 command-line tools PACK.EXE and PACK2.EXE
+* The OS/2 3.0 and 4.0 install CDs contain OS/2 command-line tools UNPACK.EXE and UNPACK2.EXE.
 * [https://winworldpc.com/product/pc-dos/7x WinWorld: PC-DOS 7.x] → "IBM PC-DOS 7.0 (3.5-XDF)" → 144US1.DSK → UNPACK2.EXE (for DOS)
 * https://github.com/martinlindhe/formats (Maybe just parses the header.)

@@ Line 4: / Line 4: @@
 |extensions={{ext|??_}}, {{ext|??@}}, others
 }}
-'''FTCOMP''' is the signature of a compressed archive format used on OS/2, particularly by software installers. Whether "FTCOMP" is the correct name of the format is unknown.
+'''OS/2 PACK2 archive''' (maybe also called '''FTCOMP''' format) is a compressed archive format used on OS/2, particularly by software installers.
-See also [[OS/2 installation archive]].
+See also [[OS/2 PACK archive]].
-−
-''[More research is needed to disentangle this format from the one covered in [[OS/2 installation archive]].]''
 == Discussion ==
-On the OS/2 3.0 and 4.0 installation disks, some FTCOMP files are named with a trailing underscore, like "DSPRES.DL_". These archives contain a single compressed file, and are named after that file with the last letter replaced with an underscore. Some FTCOMP files are named with no extension, like "BUNDLE" or "KLONDIKE" or "SERIAL". These archives contain a collection of compressed files - "BUNDLE" if there's no other archive in the same directory, or some name specific to its contents.
+On the OS/2 3.0 and 4.0 installation disks, some PACK2 files are named with a trailing underscore, like "DSPRES.DL_". These archives contain a single compressed file, and are named after that file with the last letter replaced with an underscore. Some PACK2 files are named with no extension, like "BUNDLE" or "KLONDIKE" or "SERIAL". These archives contain a collection of compressed files - "BUNDLE" if there's no other archive in the same directory, or some name specific to its contents.
-There are apparently two versions of this format, since some tools report "this file requires a newer tool to extract".
+PACK2 format is associated with the PACK2.EXE and UNPACK2.EXE utilities. In some cases, the "UNPACK" command can decompress PACK2 format, but this apparently works by using the UNPACK2.EXE utility behind the scenes.
 == Format details ==
@@ Line 19: / Line 17: @@
 == Identification ==
-Files apparently begin with bytes {{magic|a5 96 fd ff}}. ASCII "{{magic|FTCOMP}}" appears at offset 24.
+Files begin with bytes {{magic|a5 96 fd ff}}. ASCII "{{magic|FTCOMP}}" appears at offset 24.
-Compare to [[OS/2 installation archive#Identification]].
+Compare to [[OS/2 PACK archive#Identification]].
 == Software ==
@@ Line 29: / Line 27: @@
 * https://github.com/martinlindhe/formats (Maybe just parses the header.)
-''Caution: Some FTCOMP archives contain absolute file paths, which by default are respected by some or all UNPACK utilities.''
+''Caution: Some PACK2 archives contain absolute file paths, which by default are respected by some or all UNPACK utilities.''
 == Sample files ==

@@ Line 19: / Line 19: @@
 * https://github.com/martinlindhe/formats (Maybe just parses the header.)
-''Caution: Some FTCOMP archives contain absolute file paths, which by default are respected some or all UNPACK utilities.''
+''Caution: Some FTCOMP archives contain absolute file paths, which by default are respected by some or all UNPACK utilities.''
 == Sample files ==

@@ Line 14: / Line 14: @@
 == Sample files ==
 * http://cd.textfiles.com/venus/64v2/os2/ → *.pk2
-* http://cd.textfiles.com/hobbesos29709/disk1/GAMES/MAH21DE.ZIP *@
+* http://cd.textfiles.com/hobbesos29709/disk1/GAMES/MAH21DE.ZIP → *@
 * http://cd.textfiles.com/hobbesos29709/disk1/GAMES/SEAHAV23.ZIP → *_
 * http://cd.textfiles.com/hobbesos29709/disk1/GAMES/TOYLAND.ZIP → *_
 [[Category:OS/2]]