What is the significance of this entry?

Examine the following entry in the sysctl.conf file:
fs.file-max = 65536
What is the significance of this entry?

A.
The entry sets the maximum number of open files for each process to 65536.

B.
The entry sets the maximum number of subprocesses that a process can spawn to 65536.

C.
The entry sets the maximum number of files in the operating system (OS) file system to 65536.

D.
The entry sets the maximum number of background processes of the Oracle database to 65536.