Any knowledge for sysctl?

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LEARN ABOUT FREEBSD

sysctl.conf

SYSCTL.CONF(5)						      BSD File Formats Manual						    SYSCTL.CONF(5)

NAME

     sysctl.conf -- kernel state defaults

DESCRIPTION

     The /etc/sysctl.conf file is read in when the system goes into multi-user mode to set default settings for the kernel.  The /etc/sysctl.conf
     is in the format of the sysctl(8) command, i.e.

	   sysctl_mib=value

     Comments are denoted by a ``#'' at the beginning of a line.  Comments can also exist at the end of a line, as seen in the EXAMPLES section,
     below.

FILES

     /etc/sysctl.conf  Initial settings for sysctl(8).

EXAMPLES

     To turn off logging of programs that exit due to fatal signals you may use a configuration like

	   # Configure logging.
	   kern.logsigexit=0	   # Do not log fatal signal exits (e.g. sig 11)

SEE ALSO

     rc.conf(5), rc(8), sysctl(8)

HISTORY

     The sysctl.conf file appeared in FreeBSD 4.0.

BUGS

     If loadable kernel modules are used to introduce additional kernel functionality and sysctls to manage that functionality, sysctl.conf may be
     processed too early in the boot process to set those sysctls.  For example, sysctls to manage the linux emulator cannot be set in sysctl.conf
     if the linux emulator is loaded as a module rather than compiled into the kernel.

BSD
								 December 30, 1999							       BSD

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