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Helpful answers
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Jan 6, 2016 6:03 PM in response to capricorn54by Barney-15E,If you are running El Capitan, it is already enabled.
Did you disable it and now need to re-enable?
Perhaps this might help: https://pikeralpha.wordpress.com/2015/08/19/csrutil-updated/
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Jan 6, 2016 6:41 PM in response to Barney-15Eby capricorn54,I did not specifically disable this protection, but I noticed that when I ran a status while logged in to OS X this is disabled yet when I boot into the Recovery OS it is enabled.
Scratching my head about this difference.
-Sparx
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Jan 6, 2016 7:28 PM in response to capricorn54by leroydouglas,System Integrity Protection by default is enabled in El Capitan.
to learn if SIP is enabled or disabled, run the terminal command copy and paste:
csrutil status
. ... This command can be run without root privileges and will tell you if SIP is on or off.
Follow these steps to disable SIP:
Restart your Mac.
Before OS X starts up, hold down Command-R and keep it held down until you see an Apple icon and a progress bar. Release. This boots you into Recovery.
From the Utilities menu, select Terminal.
type exactly the following and then press Return:
csrutil disable
Terminal should display a message that SIP was disabled.
From the menu, select Restart.
You can re-enable SIP just as easily by following the above steps, but using
csrutil enable
more info: https://support.apple.com/en-us/HT204899