SCO compress LZH - Revision history

Dexvertbot: Change telparia.com samples link to template

2023-12-28T02:55:31Z

Change telparia.com samples link to template

Jsummers: /* Software */

2023-07-11T12:55:38Z

‎Software

Sembiance: /* Software */

2022-11-19T03:18:15Z

‎Software

Sembiance: Added sample files

2022-06-12T04:55:52Z

Added sample files

Jsummers at 14:26, 14 August 2021

2021-08-14T14:26:23Z

Jsummers: /* Editors' notes */

2020-08-16T13:27:31Z

‎Editors' notes

Jsummers at 13:14, 1 March 2020

2020-03-01T13:14:42Z

Dan Tobias at 00:27, 20 February 2020

2020-02-20T00:27:00Z

Jsummers: Created page with "{{FormatInfo |formattype=electronic |subcat=Compression |extensions={{ext|Z}} }} '''SCO compress LZH''' refers to a compressed file format that can be created by the SCO Unix ..."

2019-12-31T17:36:07Z

Created page with "{{FormatInfo |formattype=electronic |subcat=Compression |extensions={{ext|Z}} }} '''SCO compress LZH''' refers to a compressed file format that can be created by the SCO Unix ..."

New page

{{FormatInfo
|formattype=electronic
|subcat=Compression
|extensions={{ext|Z}}
}}
'''SCO compress LZH''' refers to a compressed file format that can be created by the SCO Unix version of the <code>compress</code> utility, as an alternative to the [[compress|standard compress format]]. The LZH format usually has a better compression ratio. The <code>-H</code> option must be used to create such files.

== Identification ==
Files begin with signature bytes {{magic|1f a0}}.

Compare to [[compress#Identification]].

== Software ==
* [https://www.gnu.org/software/gzip/ GNU gzip] can decompress the format.

== Links ==
* [http://osr600doc.sco.com/en/man/html.C/compress.C.html SCO compress man page]

== Editors' notes ==

The man page says "Portions of this code used for Lempel-Ziv-Huffman encoding were based on Rahul Dhesi's [[ZOO|zoo]] archiver which was adapted from Haruhiko Okumura's [[ar (Haruhiko Okumura)|ar]] archiver".

Gzip says "The code in this file is directly derived from the public domain 'ar002' written by Haruhiko Okumura."

Note that Haruhiko Okumura was also involved in the development of [[LHArc]].

Possibly-relevant software:
* [https://oku.edu.mie-u.ac.jp/~okumura/compression/ar002/ ar002]
* https://github.com/WWelna/lzh-improved

[[Category:File formats with case sensitive extensions]]

@@ Line 19: / Line 19: @@
 == Sample files ==
-* https://telparia.com/fileFormatSamples/archive/scoCompress/
+* {{DexvertSamples|archive/scoCompress}}
 == Links ==

@@ Line 14: / Line 14: @@
 == Software ==
-* [https://www.gnu.org/software/gzip/ GNU gzip] can decompress the format.
+* [https://www.gnu.org/software/gzip/ GNU Gzip]
 * {{Deark}}
 == Sample files ==

@@ Line 5: / Line 5: @@
 }}
 '''SCO compress LZH''' refers to a compressed file format that can be created by the SCO Unix version of the <code>compress</code> utility, as an alternative to the [[compress (Unix)|standard compress format]]. The LZH format usually has a better compression ratio. The <code>-H</code> option must be used to create such files.
 == Identification ==
@@ Line 16: / Line 18: @@
 == Links ==
 * [http://osr600doc.sco.com/en/man/html.C/compress.C.html SCO compress man page]
 [[Category:File formats with extension .z]]
 [[Category:File formats with case sensitive extensions]]

@@ Line 23: / Line 23: @@
 Gzip says "The code in this file is directly derived from the public domain 'ar002' written by Haruhiko Okumura."
-Note that Haruhiko Okumura was also involved in the development of [[LHArc]].
+Use of {{CdTextfiles|simtel/simtel20/MSDOS/ARCHIVRS/AR002.ZIP|ar002}} suggests [[LHA]]'s "lh5" compression.
-−
-Possibly-relevant software:
-* [https://oku.edu.mie-u.ac.jp/~okumura/compression/ar002/ ar002]
-* https://github.com/WWelna/lzh-improved
 [[Category:File formats with extension .z]]
 [[Category:File formats with case sensitive extensions]]

@@ Line 4: / Line 4: @@
 |extensions={{ext|Z}}
 }}
-'''SCO compress LZH''' refers to a compressed file format that can be created by the SCO Unix version of the <code>compress</code> utility, as an alternative to the [[compress|standard compress format]]. The LZH format usually has a better compression ratio. The <code>-H</code> option must be used to create such files.
+'''SCO compress LZH''' refers to a compressed file format that can be created by the SCO Unix version of the <code>compress</code> utility, as an alternative to the [[compress (Unix)|standard compress format]]. The LZH format usually has a better compression ratio. The <code>-H</code> option must be used to create such files.
 == Identification ==
 Files begin with signature bytes {{magic|1f a0}}.
-Compare to [[compress#Identification]].
+Compare to [[compress (Unix)#Identification]].
 == Software ==
@@ Line 19: / Line 19: @@
 == Editors' notes ==
-The man page says "Portions of this code used for Lempel-Ziv-Huffman encoding were based on Rahul Dhesi's [[Zoo]] archiver which was adapted from Haruhiko Okumura's [[ar (Haruhiko Okumura)|ar]] archiver".
+The man page says "Portions of this code used for Lempel-Ziv-Huffman encoding were based on Rahul Dhesi's [[Zoo]] archiver which was adapted from Haruhiko Okumura's ar archiver".
 Gzip says "The code in this file is directly derived from the public domain 'ar002' written by Haruhiko Okumura."
@@ Line 29: / Line 29: @@
 * https://github.com/WWelna/lzh-improved
 [[Category:File formats with case sensitive extensions]]