Difference between pages "Zip" and "File:5-Nexus4-RemoveScrews.jpg"

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.ZIP is an archive file format that supports lossless data compression.
 
 
== File format ==
 
 
{| class="wikitable"
 
! align="left"| Characteristics
 
! Description
 
|-
 
| Byte order
 
| little-endian
 
|-
 
| Date and time values
 
|
 
|-
 
| Character strings
 
|
 
|}
 
 
=== Archived file header ===
 
 
==== Creator version ====
 
The creator (or version made by) is 2 bytes of size and consists of:
 
{| class="wikitable"
 
! align="left"| Offset
 
! Size
 
! Value
 
! Description
 
|-
 
| 0
 
| 1
 
| ZIP format version <br> The value is stored as: ( major number x 10 ) + minor number
 
|-
 
| 1
 
| 1
 
| Creator version system indicator
 
|}
 
 
===== Creator version system indicator =====
 
{| class="wikitable"
 
! align="left"| Value
 
! Identifier
 
! Description
 
|-
 
| 0
 
|
 
| MS-DOS and OS/2 (FAT / VFAT / FAT32 file systems) or compatible systems
 
|-
 
| 1
 
|
 
| Amiga
 
|-
 
| 2
 
|
 
| OpenVMS
 
|-
 
| 3
 
|
 
| UNIX
 
|-
 
| 4
 
|
 
| VM/CMS
 
|-
 
| 5
 
|
 
| Atari ST
 
|-
 
| 6
 
|
 
| OS/2 H.P.F.S.
 
|-
 
| 7
 
|
 
| Macintosh
 
|-
 
| 8
 
|
 
| Z-System
 
|-
 
| 9
 
|
 
| CP/M
 
|-
 
| 10
 
|
 
| Windows NTFS
 
|-
 
| 11
 
|
 
| MVS (OS/390 - Z/OS)
 
|-
 
| 12
 
|
 
| VSE
 
|-
 
| 13
 
|
 
| Acorn Risc
 
|-
 
| 14
 
|
 
| VFAT
 
|-
 
| 15
 
|
 
| alternate MVS
 
|-
 
| 16
 
|
 
| BeOS
 
|-
 
| 17
 
|
 
| Tandem
 
|-
 
| 18
 
|
 
| OS/400
 
|-
 
| 19
 
|
 
| OS X (Darwin)
 
|-
 
| 20 - 255
 
|
 
| unused
 
|}
 
 
== External Links ==
 
 
* [http://www.pkware.com/documents/casestudies/APPNOTE.TXT .ZIP File Format Specification], PKWARE Inc., September 1, 2012
 
* [http://en.wikipedia.org/wiki/Zip_(file_format) Wikipedia: Zip (file format)]
 
 
[[Category:File Formats]]
 

Latest revision as of 13:09, 6 December 2013