Question: system files
system files are taking up 240Gb on my hard drive is 250Gb. With the automatic program that comes with Sierra System files cannot be deleted .so how do I free up space on the drive.
Every time I Free up space by deleting files, Drive becomes full after a couple of restarts, with no data being save by me.
MacBook Pro with Retina display, OS X Yosemite (10.10.5)