Files & File Systems: Crash Course Computer Science #20 7/12/2017 | 11m 42sVideo has Closed Captions| CC Today we’re going to look at how our computers read and interpret computer files.

When you delete a file, all you’ve really done is tell the computer that it can reuse the clusters assigned to that file for something new.

If you can't open a file on your computer, don't give up right away. These tricks will give you a fighting chance of accessing or recovering its contents.

A computer file is a block of arbitrary information, or resource for storing information, which is available to a computer program and is usually based on some kind of durable storage. A file is ...

But most computer users are unaware that merely deleting a file doesn't erase it. So investigators depend in large part on the carelessness of users as well as the complexity of their machines.