Apple added SIP (System Integrity Protection) in OS X El Capitan. SIP is a blockade on editing the /System, /sbin, and /usr directories (with the exception of the /usr/local subdirectory).

System Integrity Protection is a security technology in OS X El Capitan that’s designed to help prevent potentially malicious software from modifying protected files and folders on your Mac.

In OS X, the “root” user account previously had no permission restrictions and could access any system folder or application on your Mac. Software gained root-level access when you entered your administrator name and password to install it and could then modify or overwrite any system file or application.

Follow these steps to disable System Integrity Protection (SIP): Restart your Mac. While computer starts Hold down Command-R. Go to Utilities menu, then select Terminal. Execute from the terminal csrutil disable. From the menu, select Restart. If you want to enable SIP you will need to enter again into recovery mode and execute csrutil enable.

System Integrity Protection restricts the root account and limits the actions that the root user can perform on protected parts of OS X.

Disabling SIP

Step 1. Reboot your computer into Recovery Mode by holding down Command + R on startup

Step 2. Open Terminal from the Utilities menu

Step 3. Enter the following command:

Step 4. Reboot your computer

Rane ttm 57sl release date. It’s recommend to keep SIP enabled whenever possible!

Enabling SIP

Step 1. Reboot your computer into Recovery Mode by holding down Command + R on startup

Step 2. Open Terminal from the Utilities menu

Step 3. Enter the following command:

Step 4. Reboot your computer