File Control Block

Imagine you have a toy chest full of all your favorite toys. Each toy has a tag attached to it that tells you what kind of toy it is, how many pieces it has, and where it belongs in the toy chest. This tag also helps you keep track of where your toys are and how many you have.

In a computer, there is a similar system for organizing and keeping track of files. This is called a file control block (FCB). Just like a tag on a toy, an FCB contains important information about a particular file. This information includes things like the file name, where it is located, how big it is, and who has permission to access it.

The FCB is like the manager of the file, making sure it stays safe and secure. When someone wants to open, read, or edit a file, they have to go through the FCB first. It acts like a gatekeeper, checking the permissions and making sure everything is in order before allowing access to the file.

Without an FCB, it would be very difficult to keep track of all the files on a computer. It would be like trying to find a specific toy in your toy chest without the tag attached to it. The FCB is an important tool for making sure files are organized, accessible, and secure.