The benefit also isn’t as big as you might expect. Most of Linux’s recently found security vulnerabilities were due to ToC/ToU bugs. Fil-C would not magically f

The benefit also isn’t as big as you might expect. Most of Linux’s recently found security vulnerabilities were due to ToC/ToU bugs. Fil-C would not magically fix these problems. It would sometimes be a good trade off, for some users. But I don’t think many regular users would choose to pay this cost.