[syslinux] Standard file extensions for zipped floppy images

[H. Peter Anvin]

Blaauw,Bernd B. wrote:
> what kind of Syslinux device are you using then that holds all these images? a harddisk?
> 
> since Syslinux uses DOS names, I tend to use .GZ
> I don't know if Memdisk first looks for a Gzip header, or at file extension
> 

Memdisk looks for a gzip header.  It doesn't care about the file 
extension (in fact, it never sees it.)

> gzip test.img
> ren test.img.gz test.img
> 
> label test
> kernel memdisk
> append initrd=test.img
> 
> probably even test.bin is valid, as probably only Sys/PXE/ISOlinux themselves look for reserved filename extensions.
> 
> is it possibly to specify a device, btw?
> # reads diskette into Memdisk and then boots it.
> label disk2ram
> kernel memtest
> append initrd=0x00 
>  
> I don't understand Memdisk decompression procedure, but do know that it failed to decompress a filled 1.44MB image in a 4MB virtual machine in Vmware..out of memory. Bochs did fine with just 4MB.
 >

It needs to be able to fit both the compressed and decompressed image 
above the ~1 MB mark.

	-hpa