What Exactly is a File System?
Computers use certain types of file systems to store and organize data on media, such as a hard drive or flash drive , or CDs, DVDs, and BDs in an optical drive. A file system can be thought of as an index or database that contains the physical location of all data on the device. Data is usually organized in folders called directories, which can contain other folders and files. Any place where a computer or other electronic device stores data uses some type of file system. This includes your Windows computer, your Mac, your smartphone, your bank's ATM, even the computer in your car! Windows File Systems Historically, Microsoft Windows operating systems have supported different versions of the FAT file system. FAT stands for File Allocation Table, a term that describes what it does: It keeps a table of the disk space allocation of each file. In addition to FAT, all Windows operating systems since Windows NT support a newer file system called NTFS (New Technology File Syst...