Linux kernel version 2.5.1 has been released.  It is available from:

Patch: ftp://ftp.kernel.org/pub/linux/kernel/v2.5/patch-2.5.1.gz
Full source: ftp://ftp.kernel.org/pub/linux/kernel/v2.5/linux-2.5.1.tar.gz

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내 사인이 머였더라..ㅡ.ㅡㅋ