Have you checked how much free space is on your startup volume after the last update? Do you wonder where it has all gone?
free space
How to store a 400 GB sparse bundle on a volume which only has 200 GB free space – provided that you don’t actually use the space that isn’t there.
The volume should only be half full, but installers and other software complains there’s insufficient free space. What to do.
New version tells you free space available on your backup volumes, as well as checking for errors occurring during backups.
Should you defragment files, or free space, in El Capitan, or are they even possible now?
228.7 GB of my internal disk is occupied by ‘Other’. Where has this gone, and how can I reclaim it?
My hard disk is running out of space, and only has 104 GB left of its original 500. How come?
How can I strip OS X down to improve iMovie’s performance?
How much free disk space should I keep on two external hard drives, a 2 TB and a 250 GB?