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NetBSD 6.1.5 - man page for mount_kernfs (netbsd section 8)

MOUNT_KERNFS(8) 		   BSD System Manager's Manual			  MOUNT_KERNFS(8)

     mount_kernfs -- mount the /kern file system

     mount_kernfs [-o options] /kern mount_point

     The mount_kernfs command attaches an instance of the kernel parameter namespace to the
     global filesystem namespace.  The conventional mount point is /kern.  The directory speci-
     fied by mount_point is converted to an absolute path before use.  This command is normally
     executed by mount(8) at boot time.

     The filesystem includes several regular files which can be read, some of which can also be
     written.  The contents of the files is in a machine-independent format, either a string, or
     an integer in decimal ASCII.  Where numbers are returned, a trailing newline character is
     also added.

     The options are as follows:

     -o      Options are specified with a -o flag followed by a comma separated string of
	     options.  See the mount(8) man page for possible options and their meanings.

     boottime	the time at which the system was last booted (decimal ASCII).
     copyright	kernel copyright message.
     hostname	the hostname, with a trailing newline.	The hostname can be changed by writing to
		this file.  A trailing newline will be stripped from the hostname being written.
     hz 	the frequency of the system clock (decimal ASCII).
     ipsecsa	the directory that contains IPsec security associations (SA) in PF_KEY format.
		Filenames are SPI in decimal number.  The content of files can be inspected by
		using setkey(8).
     ipsecsp	the directory that contains IPsec security policies in PF_KEY format.  Filenames
		are security policy ID in decimal number.  The content of files can be inspected
		by using setkey(8).
     loadavg	the 1, 5 and 15 minute load average in kernel fixed-point format.  The final
		integer is the fix-point scaling factor.  All numbers are in decimal ASCII.
     msgbuf	the kernel message buffer, also read by syslogd(8), through the log device, and
		by dmesg(8).
     pagesize	the machine pagesize (decimal ASCII).
     physmem	the number of pages of physical memory in the machine (decimal ASCII).
     rootdev	the root device.
     rrootdev	the raw root device.
     time	the second and microsecond value of the system clock.  Both numbers are in deci-
		mal ASCII.
     version	the kernel version string.  The head line for /etc/motd can be generated by run-
		ning: ``sed 1q /kern/version''

     mount(2), unmount(2), ipsec(4), fstab(5), dmesg(8), mount(8), setkey(8), syslogd(8)

     The mount_kernfs utility first appeared in 4.4BSD.

     This filesystem may not be NFS-exported.

     lkm(4) version does not support IPsec-related files/directories.

BSD					September 8, 2003				      BSD

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