1. A system, implemented on a suitably programmed computing device, for creating user-defined tunables for assignment to a kernel of an operating system, comprising: a system administrator interface, comprising: a command and options module operable to create and change user-defined tunables and to change kernel tunables, a flag module operable to assign flags to one or more options, whereby the flags provide an indication to the kernel; an interface module that operates to display the user-defined tunables and the kernel tunables; and a storage module that stores the user-defined and kernel modules.