skctl Command

Purpose

Handles alterations in the storage protection keys attributes.

Syntax

skctl [-D]

skctl [-u] <nukeys/off>] [-k on/off/default]

skctl [-v [now|default|boot]

Description

The skctl command is a privileged command used on a system that supports storage protection keys. The skctl command can change the number of user-space storage keys, disable user-space storage keys, enable/disable kernel storage key state, and display the default, current, and next boot storage keys attributes.

Note: You must run /usr/sbin/bosboot command after changing the storage keys attributes, and then reboot the system for the change to take effect.

Flags

Item	Description
-u	Alters the number of user-space keys or disables user-space keys. The flag must be off or a number between 2 and the maximum number of hardware storage keys.
-k	Enables/disables kernel keys.
-v	Displays the default, current, and next boot storage keys attributes.
-D	Resets the storage protection keys attributes to default.