File system basics At the basic level, a file system exists to manage the data on permanent storage devices. Functions common to most file systems include: ...

This source code supports Microchip?s Application Note AN1045: Implementing File I/O Functions Using Microchip?s Memory Disk Drive File System Library, ...

However, many library functions use system calls to perform various tasks within the system kernel. To illustrate, consider this C program that opens a file and prints its contents: ...