bootfs man page on SmartOS

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BOOTFS(7FS)							   BOOTFS(7FS)

       bootfs - boot-time module file system

       The  bootfs file system is a read-only file system that provides access
       to any boot-time modules that were passed in to the system loader which
       were  tagged with the type file.	 bootfs does not display any boot-time
       modules that were tagged as type hash or type rootfs.

       If modules with duplicate names and paths are specified, only the first
       such  entry  will  be  present in the file system and a counter will be
       incremented to indicate that a duplicate entry was found,  but  is  not
       present	into  the  file	 system.  If  a module's name only consists of
       invalid characters, such as '.', '..', or '/', then the module will not
       be  present  in	the  file  system and a counter will be incremented to
       indicate that this has occurred. In both cases, diagnostic  information
       is available through the kstats facility.

	       The mount point for the bootfs file system in the global zone.

       Example 1 Determining if collisions or invalid names are present

       To  determine  if  any boot-time modules were not created due to colli‐
       sions or invalid names, enter the following command:

	 # kstat -m bootfs
	 module: bootfs				 instance: 1
	 name:	 bootfs				 class:	   fs
		 crtime				 236063.651324041
		 nbytes				 8749355
		 ndirs				 3
		 ndiscard			 0
		 ndup				 0
		 nfiles				 2
		 snaptime			 236063.651324041

       The field ndiscard lists the number of boot-time modules that were dis‐
       carded  due  to	naming	conflicts.  The field ndup lists the number of
       duplicate entries that were found and therefore not  displayed  in  the
       file system.

       This information is provided for informational purposes only, it is not
       to be construed as a stable interface.

       kstat(1M), grub(5)

				  May 8, 2014			   BOOTFS(7FS)

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