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

NAME
     mount_kernfs -- mount the /kern file system

SYNOPSIS
     mount_kernfs [-o options] /kern mount_point

DESCRIPTION
     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 specified 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 sepa-
             rated string of options.  See the mount(8) man page for possible
             options and their meanings.

FILES
     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 for-
                mat.  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 decimal ASCII.
     version    the kernel version string.  The head line for /etc/motd can be
                generated by running: ``sed 1q /kern/version''

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

HISTORY
     The mount_kernfs utility first appeared in 4.4BSD.

BUGS
     This filesystem may not be NFS-exported.

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

NetBSD 6.1.4                   September 8, 2003                  NetBSD 6.1.4

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