MFS root filesystem and static binaries size
devin.teske at fisglobal.com
Thu Oct 18 02:09:00 UTC 2012
On Oct 17, 2012, at 1:30 AM, Steve O'Hara-Smith wrote:
> On Tue, 16 Oct 2012 13:13:41 -0700
> Devin Teske <devin.teske at fisglobal.com> wrote:
>> When two files have the same inode, they are "hard links" to each other.
>> Unlike a "soft link" (or "symbolic link" as they are more appropriately
>> called), which stores a destination-path of the target, a hard link
>> instead looks and acts no different than the original in every way.
> A better way of thinking about it (ie. closer to reality) is that
> the inode entry is the file. When two directory entries both have the same
> inode number in them they refer to the same file. Crunchgen produces a
> file with a lot of names.
For clarity/record, crunchgen(1) itself does not generate the links.
You technically don't have to link to boot_crunch at all, for example:
HINT: /rescue/rescue is also a crunchgen(1)-produced binary, just like /stand/boot_crunch in the mfsroot.
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