What are the differences between hard disk and floppy disk spanned archives?

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What are the differences between hard disk and floppy disk spanned archives? 09/07/2011 01:30 by ThomasOakes: First answer posted by BrianHimlie at 09/07/2011 01:30

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BrianHimlie

What are the differences between hard disk and floppy disk spanned archives?

ALZip supports two spanned archives methods: spanning archives over floppy disks and spanning archive on hard disks.

1. Spanned archives with floppy disks

When spanning archives over floppy disks in ZIP format, each file is named identically and each disk is labeled in sequence. For example:

	File Name	Disk Label	File Size
First Disk:	estsoft.zip	PKBACK# 001	1,457,664 bytes
Second Disk:	estsoft.zip	PKBACK# 002	1,457,664 bytes
Third Disk:	estsoft.zip	PKBACK# 003	last file varies

As all archives share the same file name, you cannot transfer them onto hard disk for extraction. Also, you cannot customize the volume size. To solve this problem, ALZip supports spanning archives on hard disks. See below.

2. Spanned archives on hard disks

With ALZip's spanned archive format, you can create multi-volume archives on hard disks. File extentions follow in sequence as illustrated below:

First file:	estsoft.alz
Second file:	estsoft.a00
Third file:	estsoft.a01
Successive files:	estsoft. + character (a, b, c...) + two-digit number (00 to 99)

Many ZIP utilities don't support spanning archives onto hard disk. To extract ALZ spanned files you must use ALZip. If your friends use other utilities, you should make your ALZ files Self-Extractors.

Was this answer helpful? 0 0　·　09/07/2011 01:30

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