why linux ELF base address is 0x8048000?

pei lin <[email protected]> Tue, 3 Feb 2009 17:25:59 +0800

Newsgroups	org.kernel.vger.linux-assembly
Message-ID	<[email protected]>

hi,
   why linux ELF base address is 0x8048000? we can use ld to change
the base address or linker script.BUT why default is 0x8048000? There
must be some reasons or history i don't know. Could u give me an
advice? Thx.


Best Regards.

P.L