[syslinux] special meaning of '--' in pxelinux.cfg
Shao.Miller at yrdsb.edu.on.ca
Wed Dec 23 07:39:08 PST 2009
Jodok Ole Muellers wrote:
> I often see the double dash -- in the append line in isolinux/syslinux
> I only know this as "disable further option processing" e.g. in bash.
> What is the function of the -- ?
No idea. Triple-hyphen is for Multiboot (syslinux/doc/mboot.txt).
> I don't see any difference if I use it don't use it.
> E.g here :
> append vga=normal initrd=/install.amd/initrd.gz -- quiet
> append vga=normal initrd=debian-installer/amd64/initrd.gz --
> console=ttyS0,9600n8 quiet
In these two examples, the options before the double-hyphen are more for
the boot-loader and the options afterwards more for the kernel. Perhaps
these double-hyphens serve as a visual aid to distinguish these?
- Shao Miller
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