Deleted symlink to /etc and now missing sudoers
- Boot to Recovery Mode (cmd-R)
- Open Terminal from the menubar Utilities > Terminal
-
Soft-link /private/etc to /etc on your main Volume:
ln -s private/etc /Volumes/Macintosh\ HD/etcReplace
Macintosh\ HDwith the name of your main volume (if your forgot it, just enterdforls /Volumes/and check for its name! Don't forget to escape blanks with a backslash.)