In relation to fork$()$ on Linux machines, the term copy$-$on$-$write refers to what?

Group of answer choices

The ability to read and write any resource we want in a system.

The ability to read any resource we want in the system, as long as we don't write to it$.$

The ability of child processes to read memory from their parent. If a modification needs to take place, the modifying process makes its own local copy of the data to use and modify.

The ability to change any resource we want in the system, since we are making our own local copy of that resource.