“restricted” folder/files in OS X El Capitan

Question

After upgrading from OS X Yosemite to OS X El Capitan Developer Preview, I tried to edit /System/Library/LaunchDaemons/ssh.plist to change the default SSH

Answer 1

You can also temporarily disable SIP the following way

1. reboot
2. as soon as you hear the "Mac sound" on the grey screen, press Cmd+R to enter Recovery mode
3. Open Utilities->Terminal
4. Run the command csrutil disable
5. Reboot, you'll land in the normal OS with SIP disabled
6. do all the changes you'd like to do
7. Reboot again
8. as soon as you hear the "Mac sound" on the grey screen, press Cmd+R to enter Recovery mode
9. Enable SIP with csrutil enable
10. Reboot again
11. done